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252438294 = 231923432239
BaseRepresentation
bin11110000101111…
…10011100010110
3122121000012020110
433002332130112
51004111011134
641014343450
76153455463
oct1702763426
9577005213
10252438294
1111a549699
127065ab86
13403b7494
142575266a
15172667e9
hexf0be716

252438294 has 64 divisors (see below), whose sum is σ = 567705600. Its totient is φ = 74444832.

The previous prime is 252438293. The next prime is 252438371. The reversal of 252438294 is 492834252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252438293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111627 + ... + 113865.

It is an arithmetic number, because the mean of its divisors is an integer number (8870400).

Almost surely, 2252438294 is an apocalyptic number.

252438294 is an abundant number, since it is smaller than the sum of its proper divisors (315267306).

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

252438294 is a wasteful number, since it uses less digits than its factorization.

252438294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329.

The product of its digits is 138240, while the sum is 39.

The square root of 252438294 is about 15888.3068323846. The cubic root of 252438294 is about 632.0019411226.

The spelling of 252438294 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, two hundred ninety-four".

Divisors: 1 2 3 6 19 23 38 43 46 57 69 86 114 129 138 258 437 817 874 989 1311 1634 1978 2239 2451 2622 2967 4478 4902 5934 6717 13434 18791 37582 42541 51497 56373 85082 96277 102994 112746 127623 154491 192554 255246 288831 308982 577662 978443 1829263 1956886 2214371 2935329 3658526 4428742 5487789 5870658 6643113 10975578 13286226 42073049 84146098 126219147 252438294