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51286112 = 251602691
BaseRepresentation
bin1100001110100…
…1000001100000
310120111121022122
43003221001200
5101112123422
65031123412
71161632123
oct303510140
9116447278
1051286112
1126a4a019
1215213568
13a818917
146b503ba
154780d42
hex30e9060

51286112 has 12 divisors (see below), whose sum is σ = 100969596. Its totient is φ = 25643040.

The previous prime is 51286031. The next prime is 51286117. The reversal of 51286112 is 21168215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51286117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801314 + ... + 801377.

It is an arithmetic number, because the mean of its divisors is an integer number (8414133).

Almost surely, 251286112 is an apocalyptic number.

It is an amenable number.

51286112 is a deficient number, since it is larger than the sum of its proper divisors (49683484).

51286112 is a wasteful number, since it uses less digits than its factorization.

51286112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602701 (or 1602693 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 51286112 is about 7161.4322589828. The cubic root of 51286112 is about 371.5351653489.

The spelling of 51286112 in words is "fifty-one million, two hundred eighty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 1602691 3205382 6410764 12821528 25643056 51286112