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51683079 = 372461099
BaseRepresentation
bin1100010100100…
…1111100000111
310121020202212010
43011021330013
5101212324304
65043425303
71165204350
oct305117407
9117222763
1051683079
11271a0298
1215385233
13a927506
146c14d27
15480d789
hex3149f07

51683079 has 8 divisors (see below), whose sum is σ = 78755200. Its totient is φ = 29533176.

The previous prime is 51683053. The next prime is 51683081. The reversal of 51683079 is 97038615.

51683079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51683079 - 27 = 51682951 is a prime.

It is a super-2 number, since 2×516830792 = 5342281309840482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51683029) 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 7 ways as a sum of consecutive naturals, for example, 1230529 + ... + 1230570.

It is an arithmetic number, because the mean of its divisors is an integer number (9844400).

Almost surely, 251683079 is an apocalyptic number.

51683079 is a deficient number, since it is larger than the sum of its proper divisors (27072121).

51683079 is a wasteful number, since it uses less digits than its factorization.

51683079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461109.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 51683079 is about 7189.0944492335. The cubic root of 51683079 is about 372.4912935821.

The spelling of 51683079 in words is "fifty-one million, six hundred eighty-three thousand, seventy-nine".

Divisors: 1 3 7 21 2461099 7383297 17227693 51683079