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51023976 = 23313116229
BaseRepresentation
bin1100001010100…
…1000001101000
310120000021201220
43002221001220
5101030231401
65021342040
71156460643
oct302510150
9116007656
1051023976
1126890083
1215107920
13a756503
146ac2a5a
15472d336
hex30a9068

51023976 has 32 divisors (see below), whose sum is σ = 128541600. Its totient is φ = 16877120.

The previous prime is 51023939. The next prime is 51024013. The reversal of 51023976 is 67932015.

It is an interprime number because it is at equal distance from previous prime (51023939) and next prime (51024013).

It is a super-2 number, since 2×510239762 = 5206892253697152, which contains 22 as substring.

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, 4971 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (4016925).

Almost surely, 251023976 is an apocalyptic number.

It is an amenable number.

51023976 is an abundant number, since it is smaller than the sum of its proper divisors (77517624).

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

51023976 is a wasteful number, since it uses less digits than its factorization.

51023976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369 (or 16365 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 51023976 is about 7143.1068870625. The cubic root of 51023976 is about 370.9010810982.

The spelling of 51023976 in words is "fifty-one million, twenty-three thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 16229 32458 48687 64916 97374 129832 194748 389496 2125999 4251998 6377997 8503996 12755994 17007992 25511988 51023976