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252770904 = 23324185627
BaseRepresentation
bin11110001000011…
…11101001011000
3122121122002111100
433010033221120
51004202132104
641025431400
76156342261
oct1704175130
9577562440
10252770904
1111a756581
127079b560
13404a29a9
14257db968
15172d0139
hexf10fa58

252770904 has 48 divisors (see below), whose sum is σ = 701293320. Its totient is φ = 82200960.

The previous prime is 252770893. The next prime is 252770911. The reversal of 252770904 is 409077252.

252770904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39862 + ... + 45765.

Almost surely, 2252770904 is an apocalyptic number.

252770904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252770904 is an abundant number, since it is smaller than the sum of its proper divisors (448522416).

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

252770904 is a wasteful number, since it uses less digits than its factorization.

252770904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85680 (or 85673 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 252770904 is about 15898.7705185024. The cubic root of 252770904 is about 632.2793923052.

The spelling of 252770904 in words is "two hundred fifty-two million, seven hundred seventy thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 41 72 82 123 164 246 328 369 492 738 984 1476 2952 85627 171254 256881 342508 513762 685016 770643 1027524 1541286 2055048 3082572 3510707 6165144 7021414 10532121 14042828 21064242 28085656 31596363 42128484 63192726 84256968 126385452 252770904