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57100064 = 257254911
BaseRepresentation
bin1101100111010…
…0011100100000
310222102222120012
43121310130200
5104104200224
65355504052
71262225330
oct331643440
9128388505
1057100064
112a26013a
1217158028
13baa3028
1478250c0
15502d80e
hex3674720

57100064 has 24 divisors (see below), whose sum is σ = 128475648. Its totient is φ = 24471360.

The previous prime is 57100049. The next prime is 57100079. The reversal of 57100064 is 46000175.

It is an interprime number because it is at equal distance from previous prime (57100049) and next prime (57100079).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127232 + ... + 127679.

It is an arithmetic number, because the mean of its divisors is an integer number (5353152).

Almost surely, 257100064 is an apocalyptic number.

It is an amenable number.

57100064 is an abundant number, since it is smaller than the sum of its proper divisors (71375584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57100064 is a wasteful number, since it uses less digits than its factorization.

57100064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254928 (or 254920 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 57100064 is about 7556.4584297143. The cubic root of 57100064 is about 385.0751840575.

The spelling of 57100064 in words is "fifty-seven million, one hundred thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 254911 509822 1019644 1784377 2039288 3568754 4078576 7137508 8157152 14275016 28550032 57100064