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56103255 = 32513293307
BaseRepresentation
bin1101011000000…
…1000101010111
310220120100012100
43112001011113
5103330301010
65322253143
71250604225
oct326010527
9126510170
1056103255
112973a22a
12169571b3
13b8143c0
147645b15
154dd32c0
hex3581157

56103255 has 48 divisors (see below), whose sum is σ = 108370080. Its totient is φ = 26659584.

The previous prime is 56103253. The next prime is 56103259. The reversal of 56103255 is 55230165.

It is not a de Polignac number, because 56103255 - 21 = 56103253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56103251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15312 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (2257710).

Almost surely, 256103255 is an apocalyptic number.

56103255 is a deficient number, since it is larger than the sum of its proper divisors (52266825).

56103255 is a wasteful number, since it uses less digits than its factorization.

56103255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56103255 is about 7490.2106111911. The cubic root of 56103255 is about 382.8212346917.

The spelling of 56103255 in words is "fifty-six million, one hundred three thousand, two hundred fifty-five".

Divisors: 1 3 5 9 13 15 29 39 45 65 87 117 145 195 261 377 435 585 1131 1305 1885 3307 3393 5655 9921 16535 16965 29763 42991 49605 95903 128973 148815 214955 287709 386919 479515 644865 863127 1246739 1438545 1934595 3740217 4315635 6233695 11220651 18701085 56103255