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252904871 is a prime number
BaseRepresentation
bin11110001001100…
…00010110100111
3122121212220021002
433010300112213
51004220423441
641032343515
76160440662
oct1704602647
9577786232
10252904871
1111a83819a
1270844b9b
134051b96b
14258346d9
1517309b9b
hexf1305a7

252904871 has 2 divisors, whose sum is σ = 252904872. Its totient is φ = 252904870.

The previous prime is 252904867. The next prime is 252904907. The reversal of 252904871 is 178409252.

252904871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252904871 - 22 = 252904867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252904831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126452435 + 126452436.

It is an arithmetic number, because the mean of its divisors is an integer number (126452436).

Almost surely, 2252904871 is an apocalyptic number.

252904871 is a deficient number, since it is larger than the sum of its proper divisors (1).

252904871 is an equidigital number, since it uses as much as digits as its factorization.

252904871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 252904871 is about 15902.9830849435. The cubic root of 252904871 is about 632.3910739533.

The spelling of 252904871 in words is "two hundred fifty-two million, nine hundred four thousand, eight hundred seventy-one".