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57643172 = 2223996007
BaseRepresentation
bin1101101111100…
…1000010100100
311000110120120022
43123321002210
5104224040142
65415254312
71266646616
oct333710244
9130416508
1057643172
112a5a1194
121737a398
13bc332b2
147926db6
1550d96d2
hex36f90a4

57643172 has 12 divisors (see below), whose sum is σ = 100934400. Its totient is φ = 28804776.

The previous prime is 57643163. The next prime is 57643307. The reversal of 57643172 is 27134675.

57643172 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 3 ways as a sum of consecutive naturals, for example, 6593 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (8411200).

Almost surely, 257643172 is an apocalyptic number.

It is an amenable number.

57643172 is a deficient number, since it is larger than the sum of its proper divisors (43291228).

57643172 is a wasteful number, since it uses less digits than its factorization.

57643172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410 (or 8408 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 57643172 is about 7592.3100568931. The cubic root of 57643172 is about 386.2922161068.

The spelling of 57643172 in words is "fifty-seven million, six hundred forty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 2399 4798 6007 9596 12014 24028 14410793 28821586 57643172