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57340928 = 21055997
BaseRepresentation
bin1101101010111…
…1010000000000
310222220012222002
43122233100000
5104134402203
65405003132
71264250501
oct332572000
9128805862
1057340928
112a4050a7
12172534a8
13bb58858
147888ba8
155079d88
hex36af400

57340928 has 22 divisors (see below), whose sum is σ = 114627906. Its totient is φ = 28669952.

The previous prime is 57340901. The next prime is 57340937. The reversal of 57340928 is 82904375.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 10445824 = 6848^2 + 3232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57340891 and 57340900.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26975 + ... + 29022.

Almost surely, 257340928 is an apocalyptic number.

It is an amenable number.

57340928 is a deficient number, since it is larger than the sum of its proper divisors (57286978).

57340928 is an equidigital number, since it uses as much as digits as its factorization.

57340928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56017 (or 55999 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57340928 is about 7572.3792826297. The cubic root of 57340928 is about 385.6158760243.

The spelling of 57340928 in words is "fifty-seven million, three hundred forty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 55997 111994 223988 447976 895952 1791904 3583808 7167616 14335232 28670464 57340928