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57405070 = 255740507
BaseRepresentation
bin1101101011111…
…0111010001110
311000000110221201
43122332322032
5104143430240
65410220114
71264635502
oct332767216
9130013851
1057405070
112a449308
121728463a
13bb7bac8
1478a4302
15508dd9a
hex36bee8e

57405070 has 8 divisors (see below), whose sum is σ = 103329144. Its totient is φ = 22962024.

The previous prime is 57405011. The next prime is 57405071. The reversal of 57405070 is 7050475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57405071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870244 + ... + 2870263.

It is an arithmetic number, because the mean of its divisors is an integer number (12916143).

Almost surely, 257405070 is an apocalyptic number.

57405070 is a deficient number, since it is larger than the sum of its proper divisors (45924074).

57405070 is a wasteful number, since it uses less digits than its factorization.

57405070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740514.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 57405070 is about 7576.6133595426. The cubic root of 57405070 is about 385.7596067329.

The spelling of 57405070 in words is "fifty-seven million, four hundred five thousand, seventy".

Divisors: 1 2 5 10 5740507 11481014 28702535 57405070