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51895425 = 3525411279
BaseRepresentation
bin1100010111110…
…1110010000001
310121122120010210
43011331302001
5101241123200
65052144333
71200050421
oct305756201
9117576123
1051895425
112732588a
12154680a9
13a9a006a
146c6c481
154851650
hex317dc81

51895425 has 24 divisors (see below), whose sum is σ = 86026240. Its totient is φ = 27604800.

The previous prime is 51895411. The next prime is 51895433. The reversal of 51895425 is 52459815.

51895425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51895425 - 211 = 51893377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39936 + ... + 41214.

Almost surely, 251895425 is an apocalyptic number.

It is an amenable number.

51895425 is a deficient number, since it is larger than the sum of its proper divisors (34130815).

51895425 is a wasteful number, since it uses less digits than its factorization.

51895425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833 (or 1828 counting only the distinct ones).

The product of its digits is 72000, while the sum is 39.

The square root of 51895425 is about 7203.8479300996. The cubic root of 51895425 is about 373.0007379228. Note that the first 3 decimals are identical.

The spelling of 51895425 in words is "fifty-one million, eight hundred ninety-five thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 541 1279 1623 2705 3837 6395 8115 13525 19185 31975 40575 95925 691939 2075817 3459695 10379085 17298475 51895425