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57140085 = 353809339
BaseRepresentation
bin1101100111111…
…0001101110101
310222112000110110
43121332031311
5104111440320
65400413233
71262453112
oct331761565
9128460413
1057140085
112a288212
1217177219
13bab8302
147835909
15503a5e0
hex367e375

57140085 has 8 divisors (see below), whose sum is σ = 91424160. Its totient is φ = 30474704.

The previous prime is 57140059. The next prime is 57140107. The reversal of 57140085 is 58004175.

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

It is a cyclic number.

It is not a de Polignac number, because 57140085 - 26 = 57140021 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1904655 + ... + 1904684.

It is an arithmetic number, because the mean of its divisors is an integer number (11428020).

Almost surely, 257140085 is an apocalyptic number.

It is an amenable number.

57140085 is a deficient number, since it is larger than the sum of its proper divisors (34284075).

57140085 is a wasteful number, since it uses less digits than its factorization.

57140085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809347.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 57140085 is about 7559.1060979457. The cubic root of 57140085 is about 385.1651284683.

The spelling of 57140085 in words is "fifty-seven million, one hundred forty thousand, eighty-five".

Divisors: 1 3 5 15 3809339 11428017 19046695 57140085