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51134875 = 531137189
BaseRepresentation
bin1100001100010…
…0000110011011
310120012220212021
43003010012123
5101042304000
65023555311
71160432161
oct303040633
9116186767
1051134875
1126956430
121515bb37
13a794b2c
146b11231
15475111a
hex30c419b

51134875 has 16 divisors (see below), whose sum is σ = 69619680. Its totient is φ = 37188000.

The previous prime is 51134857. The next prime is 51134891. The reversal of 51134875 is 57843115.

It is a happy number.

It is not a de Polignac number, because 51134875 - 27 = 51134747 is a prime.

It is a super-2 number, since 2×511348752 = 5229550882531250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51134875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17220 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (4351230).

Almost surely, 251134875 is an apocalyptic number.

51134875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51134875 is a deficient number, since it is larger than the sum of its proper divisors (18484805).

51134875 is a wasteful number, since it uses less digits than its factorization.

51134875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37215 (or 37205 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 51134875 is about 7150.8653322518. The cubic root of 51134875 is about 371.1696005802.

The spelling of 51134875 in words is "fifty-one million, one hundred thirty-four thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 37189 185945 409079 929725 2045395 4648625 10226975 51134875