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238996224 = 283371487
BaseRepresentation
bin11100011111011…
…00101100000000
3121122201021012000
432033230230000
5442140334344
635414304000
75631301665
oct1617545400
9548637160
10238996224
111129a8445
1268058000
133a68bcac
1423a53a6c
1515eada69
hexe3ecb00

238996224 has 144 divisors (see below), whose sum is σ = 718179840. Its totient is φ = 78382080.

The previous prime is 238996211. The next prime is 238996237. The reversal of 238996224 is 422699832.

238996224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238996211) and next prime (238996237).

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 238996224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490509 + ... + 490995.

It is an arithmetic number, because the mean of its divisors is an integer number (4987360).

Almost surely, 2238996224 is an apocalyptic number.

238996224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238996224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359089920).

238996224 is an abundant number, since it is smaller than the sum of its proper divisors (479183616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238996224 is an equidigital number, since it uses as much as digits as its factorization.

238996224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 563 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 238996224 is about 15459.5027086902. The cubic root of 238996224 is about 620.5789112460.

The spelling of 238996224 in words is "two hundred thirty-eight million, nine hundred ninety-six thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 71 72 96 108 128 142 144 192 213 216 256 284 288 384 426 432 487 568 576 639 768 852 864 974 1136 1152 1278 1461 1704 1728 1917 1948 2272 2304 2556 2922 3408 3456 3834 3896 4383 4544 5112 5844 6816 6912 7668 7792 8766 9088 10224 11688 13149 13632 15336 15584 17532 18176 20448 23376 26298 27264 30672 31168 34577 35064 40896 46752 52596 54528 61344 62336 69154 70128 81792 93504 103731 105192 122688 124672 138308 140256 163584 187008 207462 210384 245376 276616 280512 311193 374016 414924 420768 490752 553232 561024 622386 829848 841536 933579 1106464 1122048 1244772 1659696 1683072 1867158 2212928 2489544 3319392 3366144 3734316 4425856 4979088 6638784 7468632 8851712 9958176 13277568 14937264 19916352 26555136 29874528 39832704 59749056 79665408 119498112 238996224