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57792340 = 2252889617
BaseRepresentation
bin1101110001110…
…1011101010100
311000202011012001
43130131131110
5104243323330
65422405044
71301140534
oct334353524
9130664161
1057792340
112a693271
1217430784
13bc86168
1479654c4
1551189ca
hex371d754

57792340 has 12 divisors (see below), whose sum is σ = 121363956. Its totient is φ = 23116928.

The previous prime is 57792337. The next prime is 57792341. The reversal of 57792340 is 4329775.

It can be written as a sum of positive squares in 2 ways, for example, as 20484676 + 37307664 = 4526^2 + 6108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57792340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57792341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444789 + ... + 1444828.

It is an arithmetic number, because the mean of its divisors is an integer number (10113663).

Almost surely, 257792340 is an apocalyptic number.

It is an amenable number.

57792340 is an abundant number, since it is smaller than the sum of its proper divisors (63571616).

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

57792340 is a wasteful number, since it uses less digits than its factorization.

57792340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889626 (or 2889624 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 57792340 is about 7602.1273338454. The cubic root of 57792340 is about 386.6251425220.

The spelling of 57792340 in words is "fifty-seven million, seven hundred ninety-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2889617 5779234 11558468 14448085 28896170 57792340