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51085076 = 2271824467
BaseRepresentation
bin1100001011011…
…1111100010100
310120010101112212
43002313330110
5101034210301
65022532552
71160134040
oct302677424
9116111485
1051085076
1126921a79
1215137158
13a778273
146adb020
1547414bb
hex30b7f14

51085076 has 12 divisors (see below), whose sum is σ = 102170208. Its totient is φ = 21893592.

The previous prime is 51085061. The next prime is 51085079. The reversal of 51085076 is 67058015.

51085076 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51085079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912206 + ... + 912261.

It is an arithmetic number, because the mean of its divisors is an integer number (8514184).

Almost surely, 251085076 is an apocalyptic number.

It is an amenable number.

51085076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51085076 is a wasteful number, since it uses less digits than its factorization.

51085076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824478 (or 1824476 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 51085076 is about 7147.3824579352. The cubic root of 51085076 is about 371.0490704559.

The spelling of 51085076 in words is "fifty-one million, eighty-five thousand, seventy-six".

Divisors: 1 2 4 7 14 28 1824467 3648934 7297868 12771269 25542538 51085076