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252857703 = 3712040843
BaseRepresentation
bin11110001001001…
…00110101100111
3122121210111120010
433010210311213
51004212421303
641031341303
76160153320
oct1704446547
9577714503
10252857703
1111a80580a
1270821833
1340503357
1425821447
15172eac03
hexf124d67

252857703 has 8 divisors (see below), whose sum is σ = 385307008. Its totient is φ = 144490104.

The previous prime is 252857659. The next prime is 252857723. The reversal of 252857703 is 307758252.

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

It is not a de Polignac number, because 252857703 - 26 = 252857639 is a prime.

It is the 15902-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252857723) by changing a digit.

It is a nontrivial repunit in base 15901.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020401 + ... + 6020442.

It is an arithmetic number, because the mean of its divisors is an integer number (48163376).

Almost surely, 2252857703 is an apocalyptic number.

252857703 is a deficient number, since it is larger than the sum of its proper divisors (132449305).

252857703 is a wasteful number, since it uses less digits than its factorization.

252857703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040853.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 252857703 is about 15901.5000235827. The cubic root of 252857703 is about 632.3517568290.

The spelling of 252857703 in words is "two hundred fifty-two million, eight hundred fifty-seven thousand, seven hundred three".

Divisors: 1 3 7 21 12040843 36122529 84285901 252857703