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57420656 = 243588791
BaseRepresentation
bin1101101100001…
…0101101110000
311000001021022222
43123002231300
5104144430111
65410420212
71265032106
oct333025560
9130037288
1057420656
112a459a97
1217291668
13bb85c27
1478a9c76
1550937db
hex36c2b70

57420656 has 10 divisors (see below), whose sum is σ = 111252552. Its totient is φ = 28710320.

The previous prime is 57420653. The next prime is 57420659. The reversal of 57420656 is 65602475.

57420656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57420653) and next prime (57420659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57420653) 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, 1794380 + ... + 1794411.

Almost surely, 257420656 is an apocalyptic number.

It is an amenable number.

57420656 is a deficient number, since it is larger than the sum of its proper divisors (53831896).

57420656 is a wasteful number, since it uses less digits than its factorization.

57420656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588799 (or 3588793 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 57420656 is about 7577.6418495466. The cubic root of 57420656 is about 385.7945159907.

The spelling of 57420656 in words is "fifty-seven million, four hundred twenty thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 3588791 7177582 14355164 28710328 57420656