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51082842 = 2324135327
BaseRepresentation
bin1100001011011…
…1011001011010
310120010021111010
43002313121122
5101034122332
65022514350
71160124366
oct302673132
9116107433
1051082842
1126920328
12151359b6
13a777245
146ada2a6
1547409cc
hex30b765a

51082842 has 16 divisors (see below), whose sum is σ = 102592512. Its totient is φ = 16956480.

The previous prime is 51082817. The next prime is 51082853. The reversal of 51082842 is 24828015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16218 + ... + 19109.

It is an arithmetic number, because the mean of its divisors is an integer number (6412032).

Almost surely, 251082842 is an apocalyptic number.

51082842 is an abundant number, since it is smaller than the sum of its proper divisors (51509670).

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

51082842 is a wasteful number, since it uses less digits than its factorization.

51082842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35573.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 51082842 is about 7147.2261752375. The cubic root of 51082842 is about 371.0436615983.

The spelling of 51082842 in words is "fifty-one million, eighty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 241 482 723 1446 35327 70654 105981 211962 8513807 17027614 25541421 51082842