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57071107 = 179318833
BaseRepresentation
bin1101100110110…
…1011000000011
310222101111211201
43121231120003
5104102233412
65355122031
71262045032
oct331553003
9128344751
1057071107
112a240405
1217143317
13ba92ab2
147818719
155024e57
hex366d603

57071107 has 4 divisors (see below), whose sum is σ = 57390120. Its totient is φ = 56752096.

The previous prime is 57071099. The next prime is 57071111. The reversal of 57071107 is 70117075.

57071107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57071107 - 23 = 57071099 is a prime.

It is a super-2 number, since 2×570711072 = 6514222508410898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57071177) 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 3 ways as a sum of consecutive naturals, for example, 159238 + ... + 159595.

It is an arithmetic number, because the mean of its divisors is an integer number (14347530).

Almost surely, 257071107 is an apocalyptic number.

57071107 is a deficient number, since it is larger than the sum of its proper divisors (319013).

57071107 is a wasteful number, since it uses less digits than its factorization.

57071107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319012.

The product of its (nonzero) digits is 1715, while the sum is 28.

The square root of 57071107 is about 7554.5421436378. The cubic root of 57071107 is about 385.0100790075.

The spelling of 57071107 in words is "fifty-seven million, seventy-one thousand, one hundred seven".

Divisors: 1 179 318833 57071107