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252841938 = 23130332341
BaseRepresentation
bin11110001001000…
…00111111010010
3122121202200221020
433010200333102
51004211420223
641031140310
76160056336
oct1704407722
9577680836
10252841938
1111a7a4988
1270814696
13404c911b
14258197c6
15172e61e3
hexf120fd2

252841938 has 16 divisors (see below), whose sum is σ = 506087616. Its totient is φ = 84213360.

The previous prime is 252841931. The next prime is 252841943. The reversal of 252841938 is 839148252.

252841938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2528419382 = 127858091223191688, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252841938.

It is not an unprimeable number, because it can be changed into a prime (252841931) 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, 8353 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (31630476).

Almost surely, 2252841938 is an apocalyptic number.

252841938 is an abundant number, since it is smaller than the sum of its proper divisors (253245678).

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

252841938 is a wasteful number, since it uses less digits than its factorization.

252841938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33649.

The product of its digits is 138240, while the sum is 42.

The square root of 252841938 is about 15901.0043079046. The cubic root of 252841938 is about 632.3386147435.

The spelling of 252841938 in words is "two hundred fifty-two million, eight hundred forty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 1303 2606 3909 7818 32341 64682 97023 194046 42140323 84280646 126420969 252841938