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57682340 = 2252884117
BaseRepresentation
bin1101110000001…
…0100110100100
311000112120021222
43130002212210
5104231313330
65420155512
71300202042
oct334024644
9130476258
1057682340
112a618661
1217398b98
13bc48081
147937392
1550e60e5
hex37029a4

57682340 has 12 divisors (see below), whose sum is σ = 121132956. Its totient is φ = 23072928.

The previous prime is 57682327. The next prime is 57682349. The reversal of 57682340 is 4328675.

It is a happy number.

57682340 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 30891364 = 5176^2 + 5558^2 .

57682340 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 57682340.

It is not an unprimeable number, because it can be changed into a prime (57682349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442039 + ... + 1442078.

It is an arithmetic number, because the mean of its divisors is an integer number (10094413).

Almost surely, 257682340 is an apocalyptic number.

It is an amenable number.

57682340 is an abundant number, since it is smaller than the sum of its proper divisors (63450616).

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

57682340 is a wasteful number, since it uses less digits than its factorization.

57682340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884126 (or 2884124 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 57682340 is about 7594.8890709476. The cubic root of 57682340 is about 386.3796902882.

The spelling of 57682340 in words is "fifty-seven million, six hundred eighty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2884117 5768234 11536468 14420585 28841170 57682340