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270391424 = 273183821
BaseRepresentation
bin10000000111011…
…101100010000000
3200211210022022012
4100013131202000
51023210011144
642455232052
76462201122
oct2007354200
9624708265
10270391424
111296a1096
1276678628
1344032034
1427ca7212
1518b10e9e
hex101dd880

270391424 has 64 divisors (see below), whose sum is σ = 563431680. Its totient is φ = 129100800.

The previous prime is 270391421. The next prime is 270391453. The reversal of 270391424 is 424193072.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2703914242 = 146223044345495552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (270391421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328934 + ... + 329754.

It is an arithmetic number, because the mean of its divisors is an integer number (8803620).

Almost surely, 2270391424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270391424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281715840).

270391424 is an abundant number, since it is smaller than the sum of its proper divisors (293040256).

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

270391424 is an equidigital number, since it uses as much as digits as its factorization.

270391424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 270391424 is about 16443.5830645270. The cubic root of 270391424 is about 646.6425885864.

The spelling of 270391424 in words is "two hundred seventy million, three hundred ninety-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 31 32 62 64 83 124 128 166 248 332 496 664 821 992 1328 1642 1984 2573 2656 3284 3968 5146 5312 6568 10292 10624 13136 20584 25451 26272 41168 50902 52544 68143 82336 101804 105088 136286 164672 203608 272572 329344 407216 545144 814432 1090288 1628864 2112433 2180576 3257728 4224866 4361152 8449732 8722304 16899464 33798928 67597856 135195712 270391424