Search a number
-
+
56902755 = 3571341687
BaseRepresentation
bin1101100100010…
…0010001100011
310222001221220110
43121010101203
5104031342010
65351342403
71260444150
oct331042143
9128057813
1056902755
112a135978
1217081a03
13ba34290
1477b3227
154ee0120
hex3644463

56902755 has 32 divisors (see below), whose sum is σ = 112057344. Its totient is φ = 24011136.

The previous prime is 56902753. The next prime is 56902789. The reversal of 56902755 is 55720965.

56902755 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 56902755 - 21 = 56902753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (56902753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19479 + ... + 22208.

It is an arithmetic number, because the mean of its divisors is an integer number (3501792).

Almost surely, 256902755 is an apocalyptic number.

56902755 is a deficient number, since it is larger than the sum of its proper divisors (55154589).

56902755 is a wasteful number, since it uses less digits than its factorization.

56902755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41715.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 56902755 is about 7543.3914786388. The cubic root of 56902755 is about 384.6311303656.

The spelling of 56902755 in words is "fifty-six million, nine hundred two thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 41687 125061 208435 291809 541931 625305 875427 1459045 1625793 2709655 3793517 4377135 8128965 11380551 18967585 56902755