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56030028 = 22317457601
BaseRepresentation
bin1101010110111…
…1001101001100
310220102121202020
43111233031030
5103320430103
65320530140
71250150565
oct325571514
9126377666
1056030028
112969a20a
1216920950
13b7b9c82
14762716c
154dbb753
hex356f34c

56030028 has 48 divisors (see below), whose sum is σ = 138960864. Its totient is φ = 17510400.

The previous prime is 56030027. The next prime is 56030057. The reversal of 56030028 is 82003065.

It is not an unprimeable number, because it can be changed into a prime (56030027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92928 + ... + 93528.

It is an arithmetic number, because the mean of its divisors is an integer number (2895018).

Almost surely, 256030028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56030028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69480432).

56030028 is an abundant number, since it is smaller than the sum of its proper divisors (82930836).

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

56030028 is a wasteful number, since it uses less digits than its factorization.

56030028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 56030028 is about 7485.3208348073. The cubic root of 56030028 is about 382.6546070707.

The spelling of 56030028 in words is "fifty-six million, thirty thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 457 601 914 1202 1371 1803 1828 2404 2742 3606 5484 7212 7769 10217 15538 20434 23307 30651 31076 40868 46614 61302 93228 122604 274657 549314 823971 1098628 1647942 3295884 4669169 9338338 14007507 18676676 28015014 56030028