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252510834 = 2342085139
BaseRepresentation
bin11110000110100…
…00001001110010
3122121010212202010
433003100021302
51004120321314
641020103350
76154210122
oct1703201162
9577125663
10252510834
1111a599144
1270694b56
13404114c4
1425770c82
151727d059
hexf0d0272

252510834 has 8 divisors (see below), whose sum is σ = 505021680. Its totient is φ = 84170276.

The previous prime is 252510833. The next prime is 252510871. The reversal of 252510834 is 438015252.

It is a sphenic number, since it is the product of 3 distinct primes.

252510834 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (252510833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21042564 + ... + 21042575.

It is an arithmetic number, because the mean of its divisors is an integer number (63127710).

Almost surely, 2252510834 is an apocalyptic number.

252510834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252510834 is a wasteful number, since it uses less digits than its factorization.

252510834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42085144.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 252510834 is about 15890.5894793113. The cubic root of 252510834 is about 632.0624721266.

The spelling of 252510834 in words is "two hundred fifty-two million, five hundred ten thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 42085139 84170278 126255417 252510834