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56948155 = 5118291249
BaseRepresentation
bin1101100100111…
…1010110111011
310222011021011221
43121033112323
5104034320110
65352332511
71261023415
oct331172673
9128137157
1056948155
112a166aa0
12170a4137
13ba4bb44
1477c59b5
154eed7da
hex364f5bb

56948155 has 16 divisors (see below), whose sum is σ = 74700000. Its totient is φ = 41333760.

The previous prime is 56948137. The next prime is 56948183. The reversal of 56948155 is 55184965.

It is not a de Polignac number, because 56948155 - 25 = 56948123 is a prime.

It is a super-4 number, since 4×569481554 (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44971 + ... + 46219.

It is an arithmetic number, because the mean of its divisors is an integer number (4668750).

Almost surely, 256948155 is an apocalyptic number.

56948155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56948155 is a deficient number, since it is larger than the sum of its proper divisors (17751845).

56948155 is a wasteful number, since it uses less digits than its factorization.

56948155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its digits is 216000, while the sum is 43.

The square root of 56948155 is about 7546.4001351638. The cubic root of 56948155 is about 384.7333961304.

The spelling of 56948155 in words is "fifty-six million, nine hundred forty-eight thousand, one hundred fifty-five".

Divisors: 1 5 11 55 829 1249 4145 6245 9119 13739 45595 68695 1035421 5177105 11389631 56948155