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51134656 = 262927551
BaseRepresentation
bin1100001100010…
…0000011000000
310120012220120011
43003010003000
5101042302111
65023554304
71160431426
oct303040300
9116186504
1051134656
1126956251
121515b994
13a7949c1
146b11116
154751021
hex30c40c0

51134656 has 28 divisors (see below), whose sum is σ = 104973120. Its totient is φ = 24684800.

The previous prime is 51134641. The next prime is 51134669. The reversal of 51134656 is 65643115.

It is a super-2 number, since 2×511346562 = 5229506088476672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11920 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (3749040).

Almost surely, 251134656 is an apocalyptic number.

It is an amenable number.

51134656 is an abundant number, since it is smaller than the sum of its proper divisors (53838464).

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

51134656 is a wasteful number, since it uses less digits than its factorization.

51134656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27592 (or 27582 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 51134656 is about 7150.8500194033. The cubic root of 51134656 is about 371.1690706988.

The spelling of 51134656 in words is "fifty-one million, one hundred thirty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 928 1856 27551 55102 110204 220408 440816 798979 881632 1597958 1763264 3195916 6391832 12783664 25567328 51134656