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51053028 = 22313327263
BaseRepresentation
bin1100001011000…
…0000111100100
310120001202120220
43002300013210
5101032144103
65022124340
71156641435
oct302600744
9116052526
1051053028
11268aa994
12151206b0
13a7667c0
146acd48c
154736c53
hex30b01e4

51053028 has 24 divisors (see below), whose sum is σ = 128287488. Its totient is φ = 15708576.

The previous prime is 51053027. The next prime is 51053033. The reversal of 51053028 is 82035015.

It is a junction number, because it is equal to n+sod(n) for n = 51052989 and 51053007.

It is not an unprimeable number, because it can be changed into a prime (51053027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163476 + ... + 163787.

It is an arithmetic number, because the mean of its divisors is an integer number (5345312).

Almost surely, 251053028 is an apocalyptic number.

It is an amenable number.

51053028 is an abundant number, since it is smaller than the sum of its proper divisors (77234460).

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

51053028 is a wasteful number, since it uses less digits than its factorization.

51053028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327283 (or 327281 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51053028 is about 7145.1401665748. The cubic root of 51053028 is about 370.9714622184.

The spelling of 51053028 in words is "fifty-one million, fifty-three thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 327263 654526 981789 1309052 1963578 3927156 4254419 8508838 12763257 17017676 25526514 51053028