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57520163 = 1719374813
BaseRepresentation
bin1101101101101…
…1000000100011
311000020022211102
43123123000203
5104211121123
65412505015
71265625161
oct333330043
9130208742
1057520163
112a517828
121731b16b
13bbbc2cc
1478d4231
1550b3028
hex36db023

57520163 has 16 divisors (see below), whose sum is σ = 65855520. Its totient is φ = 49890816.

The previous prime is 57520157. The next prime is 57520189. The reversal of 57520163 is 36102575.

57520163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57520163 - 24 = 57520147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57520763) 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 in 15 ways as a sum of consecutive naturals, for example, 9545 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (4115970).

Almost surely, 257520163 is an apocalyptic number.

57520163 is a deficient number, since it is larger than the sum of its proper divisors (8335357).

57520163 is a wasteful number, since it uses less digits than its factorization.

57520163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 57520163 is about 7584.2048363688. The cubic root of 57520163 is about 386.0172413035.

The spelling of 57520163 in words is "fifty-seven million, five hundred twenty thousand, one hundred sixty-three".

Divisors: 1 17 19 37 323 629 703 4813 11951 81821 91447 178081 1554599 3027377 3383539 57520163