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57700470 = 2351923349
BaseRepresentation
bin1101110000011…
…1000001110110
311000120111011110
43130013001312
5104232403340
65420415450
71300305642
oct334070166
9130514143
1057700470
112a630243
12173a7586
13bc533b9
14793dc22
1550eb680
hex3707076

57700470 has 16 divisors (see below), whose sum is σ = 138481200. Its totient is φ = 15386784.

The previous prime is 57700457. The next prime is 57700481. The reversal of 57700470 is 7400775.

It is a happy number.

57700470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1923349 = 57700470 / (5 + 7 + 7 + 0 + 0 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961645 + ... + 961704.

It is an arithmetic number, because the mean of its divisors is an integer number (8655075).

Almost surely, 257700470 is an apocalyptic number.

57700470 is an abundant number, since it is smaller than the sum of its proper divisors (80780730).

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

57700470 is a wasteful number, since it uses less digits than its factorization.

57700470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923359.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 57700470 is about 7596.0825429954. The cubic root of 57700470 is about 386.4201667436.

The spelling of 57700470 in words is "fifty-seven million, seven hundred thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1923349 3846698 5770047 9616745 11540094 19233490 28850235 57700470