Search a number
-
+
56086725 = 35229107241
BaseRepresentation
bin1101010111110…
…1000011000101
310220112111112010
43111331003011
5103324233400
65322044433
71250505102
oct325750305
9126474463
1056086725
1129728872
1216949719
13b809a16
14763daa9
154dcd450
hex357d0c5

56086725 has 48 divisors (see below), whose sum is σ = 97225920. Its totient is φ = 28492800.

The previous prime is 56086721. The next prime is 56086739. The reversal of 56086725 is 52768065.

It is a happy number.

It is not a de Polignac number, because 56086725 - 22 = 56086721 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56086721) 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, 232605 + ... + 232845.

It is an arithmetic number, because the mean of its divisors is an integer number (2025540).

Almost surely, 256086725 is an apocalyptic number.

It is an amenable number.

56086725 is a deficient number, since it is larger than the sum of its proper divisors (41139195).

56086725 is a wasteful number, since it uses less digits than its factorization.

56086725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56086725 is about 7489.1070896336. The cubic root of 56086725 is about 382.7836334474.

The spelling of 56086725 in words is "fifty-six million, eighty-six thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 29 75 87 107 145 241 321 435 535 723 725 1205 1605 2175 2675 3103 3615 6025 6989 8025 9309 15515 18075 20967 25787 34945 46545 77361 77575 104835 128935 174725 232725 386805 524175 644675 747823 1934025 2243469 3739115 11217345 18695575 56086725