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57740076 = 22321603891
BaseRepresentation
bin1101110001000…
…0101100101100
311000122111111100
43130100230230
5104240140301
65421323100
71300532262
oct334205454
9130574440
1057740076
112a657a79
1217406490
13bc68434
147950432
155108286
hex3710b2c

57740076 has 18 divisors (see below), whose sum is σ = 145954172. Its totient is φ = 19246680.

The previous prime is 57740071. The next prime is 57740087. The reversal of 57740076 is 67004775.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1603891 = 57740076 / (5 + 7 + 7 + 4 + 0 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 57740076.

It is not an unprimeable number, because it can be changed into a prime (57740071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801910 + ... + 801981.

Almost surely, 257740076 is an apocalyptic number.

It is an amenable number.

57740076 is an abundant number, since it is smaller than the sum of its proper divisors (88214096).

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

57740076 is a wasteful number, since it uses less digits than its factorization.

57740076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603901 (or 1603896 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 57740076 is about 7598.6890974694. The cubic root of 57740076 is about 386.5085603433.

The spelling of 57740076 in words is "fifty-seven million, seven hundred forty thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1603891 3207782 4811673 6415564 9623346 14435019 19246692 28870038 57740076