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57801404 = 2261236891
BaseRepresentation
bin1101110001111…
…1101010111100
311000202121121202
43130133222330
5104244121104
65422515032
71301206133
oct334375274
9130677552
1057801404
112a69a061
1217435a78
13bc8a31b
14796891a
15511b51e
hex371fabc

57801404 has 12 divisors (see below), whose sum is σ = 102811128. Its totient is φ = 28426800.

The previous prime is 57801389. The next prime is 57801487. The reversal of 57801404 is 40410875.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118202 + ... + 118689.

It is an arithmetic number, because the mean of its divisors is an integer number (8567594).

Almost surely, 257801404 is an apocalyptic number.

It is an amenable number.

57801404 is a deficient number, since it is larger than the sum of its proper divisors (45009724).

57801404 is a wasteful number, since it uses less digits than its factorization.

57801404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236956 (or 236954 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 57801404 is about 7602.7234593927. The cubic root of 57801404 is about 386.6453538920.

The spelling of 57801404 in words is "fifty-seven million, eight hundred one thousand, four hundred four".

Divisors: 1 2 4 61 122 244 236891 473782 947564 14450351 28900702 57801404