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238828224 = 2632959727
BaseRepresentation
bin11100011110000…
…11101011000000
3121122101201201210
432033003223000
5442120000344
635410530120
75630002125
oct1617035300
9548351653
10238828224
111128a31a8
1267b96940
133a63069b
1423a0c74c
1515e78db9
hexe3c3ac0

238828224 has 112 divisors (see below), whose sum is σ = 665683200. Its totient is φ = 75457536.

The previous prime is 238828171. The next prime is 238828231. The reversal of 238828224 is 422828832.

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

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, 328149 + ... + 328875.

It is an arithmetic number, because the mean of its divisors is an integer number (5943600).

Almost surely, 2238828224 is an apocalyptic number.

238828224 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 238828224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332841600).

238828224 is an abundant number, since it is smaller than the sum of its proper divisors (426854976).

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

238828224 is a wasteful number, since it uses less digits than its factorization.

238828224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 820 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 238828224 is about 15454.0682022566. The cubic root of 238828224 is about 620.4334672528.

The spelling of 238828224 in words is "two hundred thirty-eight million, eight hundred twenty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 59 64 87 96 116 118 174 177 192 232 236 348 354 464 472 696 708 727 928 944 1392 1416 1454 1711 1856 1888 2181 2784 2832 2908 3422 3776 4362 5133 5568 5664 5816 6844 8724 10266 11328 11632 13688 17448 20532 21083 23264 27376 34896 41064 42166 42893 46528 54752 63249 69792 82128 84332 85786 109504 126498 128679 139584 164256 168664 171572 252996 257358 328512 337328 343144 505992 514716 674656 686288 1011984 1029432 1243897 1349312 1372576 2023968 2058864 2487794 2745152 3731691 4047936 4117728 4975588 7463382 8235456 9951176 14926764 19902352 29853528 39804704 59707056 79609408 119414112 238828224