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56045744 = 24191071723
BaseRepresentation
bin1101010111001…
…1000010110000
310220110102022022
43111303002300
5103321430434
65321131012
71250244446
oct325630260
9126412268
1056045744
11296aaaa7
1216929a68
13b7c4181
14762cb96
154dc122e
hex35730b0

56045744 has 40 divisors (see below), whose sum is σ = 115439040. Its totient is φ = 26284608.

The previous prime is 56045723. The next prime is 56045747. The reversal of 56045744 is 44754065.

It is a super-2 number, since 2×560457442 = 6282250841027072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045747) 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, 31667 + ... + 33389.

It is an arithmetic number, because the mean of its divisors is an integer number (2885976).

Almost surely, 256045744 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 56045744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57719520).

56045744 is an abundant number, since it is smaller than the sum of its proper divisors (59393296).

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

56045744 is a wasteful number, since it uses less digits than its factorization.

56045744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 56045744 is about 7486.3705492047. The cubic root of 56045744 is about 382.6903809693.

The spelling of 56045744 in words is "fifty-six million, forty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 107 152 214 304 428 856 1712 1723 2033 3446 4066 6892 8132 13784 16264 27568 32528 32737 65474 130948 184361 261896 368722 523792 737444 1474888 2949776 3502859 7005718 14011436 28022872 56045744