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56746844 = 22711199697
BaseRepresentation
bin1101100001111…
…0001101011100
310221210001000222
43120132031130
5104011344334
65344140512
71256224460
oct330361534
9127701028
1056746844
112a039820
1217007738
13b9ab31b
1477724a0
154eadd2e
hex361e35c

56746844 has 48 divisors (see below), whose sum is σ = 130341120. Its totient is φ = 20943360.

The previous prime is 56746793. The next prime is 56746847. The reversal of 56746844 is 44864765.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 56746795 and 56746804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56746847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (2715440).

Almost surely, 256746844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56746844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65170560).

56746844 is an abundant number, since it is smaller than the sum of its proper divisors (73594276).

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

56746844 is a wasteful number, since it uses less digits than its factorization.

56746844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738 (or 9736 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 56746844 is about 7533.0501126702. The cubic root of 56746844 is about 384.2795183463.

The spelling of 56746844 in words is "fifty-six million, seven hundred forty-six thousand, eight hundred forty-four".

Divisors: 1 2 4 7 11 14 19 22 28 38 44 76 77 133 154 209 266 308 418 532 836 1463 2926 5852 9697 19394 38788 67879 106667 135758 184243 213334 271516 368486 426668 736972 746669 1289701 1493338 2026673 2579402 2986676 4053346 5158804 8106692 14186711 28373422 56746844