Search a number
-
+
56506944 = 2631322639
BaseRepresentation
bin1101011110001…
…1101001000000
310221022211221210
43113203221000
5103431210234
65335050120
71254205164
oct327435100
9127284853
1056506944
112999555a
1216b10940
13b926080
14770cca4
154e62be9
hex35e3a40

56506944 has 56 divisors (see below), whose sum is σ = 161015680. Its totient is φ = 17385984.

The previous prime is 56506943. The next prime is 56506949. The reversal of 56506944 is 44960565.

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 (56506943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8824 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (2875280).

Almost surely, 256506944 is an apocalyptic number.

It is an amenable number.

56506944 is an abundant number, since it is smaller than the sum of its proper divisors (104508736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56506944 is a wasteful number, since it uses less digits than its factorization.

56506944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22667 (or 22657 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56506944 is about 7517.1100830040. The cubic root of 56506944 is about 383.7372334275.

The spelling of 56506944 in words is "fifty-six million, five hundred six thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 22639 45278 67917 90556 135834 181112 271668 294307 362224 543336 588614 724448 882921 1086672 1177228 1448896 1765842 2173344 2354456 3531684 4346688 4708912 7063368 9417824 14126736 18835648 28253472 56506944