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57490456 = 237186307
BaseRepresentation
bin1101101101001…
…1110000011000
311000011211002011
43123103300120
5104204143311
65412115304
71265442442
oct333236030
9130154064
1057490456
112a4a7481
1217305b34
13bbab92a
1478c7492
1550a9321
hex36d3c18

57490456 has 8 divisors (see below), whose sum is σ = 107794620. Its totient is φ = 28745224.

The previous prime is 57490439. The next prime is 57490457. The reversal of 57490456 is 65409475.

57490456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57490457) by changing a digit.

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 as a sum of consecutive naturals, namely, 3593146 + ... + 3593161.

Almost surely, 257490456 is an apocalyptic number.

It is an amenable number.

57490456 is a deficient number, since it is larger than the sum of its proper divisors (50304164).

57490456 is a wasteful number, since it uses less digits than its factorization.

57490456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186313 (or 7186309 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 57490456 is about 7582.2461052118. The cubic root of 57490456 is about 385.9507753994.

The spelling of 57490456 in words is "fifty-seven million, four hundred ninety thousand, four hundred fifty-six".

Divisors: 1 2 4 8 7186307 14372614 28745228 57490456