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51679675 = 522067187
BaseRepresentation
bin1100010100100…
…1000110111011
310121020121012001
43011021012323
5101212222200
65043401431
71165161415
oct305110673
9117217161
1051679675
1127198783
1215383277
13a925ab8
146c139b5
15480c76a
hex31491bb

51679675 has 6 divisors (see below), whose sum is σ = 64082828. Its totient is φ = 41343720.

The previous prime is 51679673. The next prime is 51679681. The reversal of 51679675 is 57697615.

It is a happy number.

51679675 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 51679675 - 21 = 51679673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51679673) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1033569 + ... + 1033618.

Almost surely, 251679675 is an apocalyptic number.

51679675 is a deficient number, since it is larger than the sum of its proper divisors (12403153).

51679675 is a wasteful number, since it uses less digits than its factorization.

51679675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067197 (or 2067192 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 51679675 is about 7188.8576978544. The cubic root of 51679675 is about 372.4831156108.

The spelling of 51679675 in words is "fifty-one million, six hundred seventy-nine thousand, six hundred seventy-five".

Divisors: 1 5 25 2067187 10335935 51679675