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51286104 = 23325912073
BaseRepresentation
bin1100001110100…
…1000001011000
310120111121022100
43003221001120
5101112123404
65031123400
71161632112
oct303510130
9116447270
1051286104
1126a4a011
1215213560
13a81890c
146b503b2
154780d39
hex30e9058

51286104 has 48 divisors (see below), whose sum is σ = 141265800. Its totient is φ = 16804224.

The previous prime is 51286031. The next prime is 51286117. The reversal of 51286104 is 40168215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 10284.

Almost surely, 251286104 is an apocalyptic number.

It is an amenable number.

51286104 is an abundant number, since it is smaller than the sum of its proper divisors (89979696).

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

51286104 is a wasteful number, since it uses less digits than its factorization.

51286104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144 (or 12137 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 51286104 is about 7161.4317004353. The cubic root of 51286104 is about 371.5351460306.

The spelling of 51286104 in words is "fifty-one million, two hundred eighty-six thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 59 72 118 177 236 354 472 531 708 1062 1416 2124 4248 12073 24146 36219 48292 72438 96584 108657 144876 217314 289752 434628 712307 869256 1424614 2136921 2849228 4273842 5698456 6410763 8547684 12821526 17095368 25643052 51286104