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57475844 = 2217899497
BaseRepresentation
bin1101101101000…
…0001100000100
311000011002000222
43123100030010
5104203211334
65411523512
71265352026
oct333201404
9130132028
1057475844
112a4974a8
12172b9598
13bba509a
1478c2016
1550a4d2e
hex36d0304

57475844 has 24 divisors (see below), whose sum is σ = 107707320. Its totient is φ = 26740736.

The previous prime is 57475843. The next prime is 57475867. The reversal of 57475844 is 44857475.

It can be written as a sum of positive squares in 4 ways, for example, as 473344 + 57002500 = 688^2 + 7550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57475795 and 57475804.

It is not an unprimeable number, because it can be changed into a prime (57475843) 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, 1304 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (4487805).

Almost surely, 257475844 is an apocalyptic number.

It is an amenable number.

57475844 is a deficient number, since it is larger than the sum of its proper divisors (50231476).

57475844 is a wasteful number, since it uses less digits than its factorization.

57475844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607 (or 9605 counting only the distinct ones).

The product of its digits is 627200, while the sum is 44.

The square root of 57475844 is about 7581.2824772594. The cubic root of 57475844 is about 385.9180743740.

The spelling of 57475844 in words is "fifty-seven million, four hundred seventy-five thousand, eight hundred forty-four".

Divisors: 1 2 4 17 34 68 89 178 356 1513 3026 6052 9497 18994 37988 161449 322898 645796 845233 1690466 3380932 14368961 28737922 57475844