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56106155 = 5729167331
BaseRepresentation
bin1101011000000…
…1110010101011
310220120111011202
43112001302223
5103330344110
65322314415
71250615540
oct326016253
9126514152
1056106155
1129741426
1216958a0b
13b815811
147646bc7
154dd40a5
hex3581cab

56106155 has 32 divisors (see below), whose sum is σ = 80317440. Its totient is φ = 36812160.

The previous prime is 56106151. The next prime is 56106157. The reversal of 56106155 is 55160165.

56106155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56106155 - 22 = 56106151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (56106151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169340 + ... + 169670.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 256106155 is an apocalyptic number.

56106155 is a deficient number, since it is larger than the sum of its proper divisors (24211285).

56106155 is a wasteful number, since it uses less digits than its factorization.

56106155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56106155 is about 7490.4041947014. The cubic root of 56106155 is about 382.8278306397.

The spelling of 56106155 in words is "fifty-six million, one hundred six thousand, one hundred fifty-five".

Divisors: 1 5 7 29 35 145 167 203 331 835 1015 1169 1655 2317 4843 5845 9599 11585 24215 33901 47995 55277 67193 169505 276385 335965 386939 1603033 1934695 8015165 11221231 56106155