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57479530 = 2523249911
BaseRepresentation
bin1101101101000…
…1000101101010
311000011021002111
43123101011222
5104203321110
65411552534
71265365543
oct333210552
9130137074
1057479530
112a49a249
12172bb74a
13bba6974
1478c34ca
1550a5e8a
hex36d116a

57479530 has 16 divisors (see below), whose sum is σ = 107961984. Its totient is φ = 21992080.

The previous prime is 57479489. The next prime is 57479557. The reversal of 57479530 is 3597475.

57479530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 124726 + ... + 125185.

It is an arithmetic number, because the mean of its divisors is an integer number (6747624).

Almost surely, 257479530 is an apocalyptic number.

57479530 is a deficient number, since it is larger than the sum of its proper divisors (50482454).

57479530 is a wasteful number, since it uses less digits than its factorization.

57479530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249941.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 57479530 is about 7581.5255720732. The cubic root of 57479530 is about 385.9263240056.

The spelling of 57479530 in words is "fifty-seven million, four hundred seventy-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 249911 499822 1249555 2499110 5747953 11495906 28739765 57479530