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252012263 = 1033137817
BaseRepresentation
bin11110000010101…
…10011011100111
3122120012112211112
433001112123213
51004003343023
641001255235
76150032426
oct1701263347
9576175745
10252012263
1111a2885a8
127049451b
13402985a9
14256812bd
15171d0478
hexf0566e7

252012263 has 8 divisors (see below), whose sum is σ = 255304608. Its totient is φ = 248736384.

The previous prime is 252012223. The next prime is 252012317. The reversal of 252012263 is 362210252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252012263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252012223) 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, 28331 + ... + 36147.

It is an arithmetic number, because the mean of its divisors is an integer number (31913076).

Almost surely, 2252012263 is an apocalyptic number.

252012263 is a deficient number, since it is larger than the sum of its proper divisors (3292345).

252012263 is a wasteful number, since it uses less digits than its factorization.

252012263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 252012263 is about 15874.8941098831. The cubic root of 252012263 is about 631.6462053029.

The spelling of 252012263 in words is "two hundred fifty-two million, twelve thousand, two hundred sixty-three".

Divisors: 1 103 313 7817 32239 805151 2446721 252012263