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57793941 = 3216933793
BaseRepresentation
bin1101110001110…
…1110110010101
311000202020101100
43130131312111
5104243401231
65422420313
71301145312
oct334356625
9130666340
1057793941
112a694497
1217431699
13bc86aca
147965d09
1551191e6
hex371dd95

57793941 has 12 divisors (see below), whose sum is σ = 83551468. Its totient is φ = 38496384.

The previous prime is 57793913. The next prime is 57793943. The reversal of 57793941 is 14939775.

57793941 is a `hidden beast` number, since 577 + 9 + 39 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15920100 + 41873841 = 3990^2 + 6471^2 .

It is not a de Polignac number, because 57793941 - 29 = 57793429 is a prime.

It is a super-2 number, since 2×577939412 = 6680279232622962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57793943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13341 + ... + 17133.

Almost surely, 257793941 is an apocalyptic number.

It is an amenable number.

57793941 is a deficient number, since it is larger than the sum of its proper divisors (25757527).

57793941 is a wasteful number, since it uses less digits than its factorization.

57793941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492 (or 5489 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 57793941 is about 7602.2326325889. The cubic root of 57793941 is about 386.6287126672.

The spelling of 57793941 in words is "fifty-seven million, seven hundred ninety-three thousand, nine hundred forty-one".

Divisors: 1 3 9 1693 3793 5079 11379 15237 34137 6421549 19264647 57793941