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56695143 = 327116971
BaseRepresentation
bin1101100001000…
…1100101100111
310221200102010010
43120101211213
5104003221033
65343101303
71255620651
oct330214547
9127612103
1056695143
112a00399a
1216ba1833
13b99092b
14775b6d1
154e9d863
hex3611967

56695143 has 8 divisors (see below), whose sum is σ = 75632256. Its totient is φ = 37777400.

The previous prime is 56695141. The next prime is 56695157. The reversal of 56695143 is 34159665.

56695143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56695143 - 21 = 56695141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56695141) 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 7 ways as a sum of consecutive naturals, for example, 4648 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (9454032).

Almost surely, 256695143 is an apocalyptic number.

56695143 is a deficient number, since it is larger than the sum of its proper divisors (18937113).

56695143 is a wasteful number, since it uses less digits than its factorization.

56695143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685.

The product of its digits is 97200, while the sum is 39.

The square root of 56695143 is about 7529.6177193799. The cubic root of 56695143 is about 384.1627795657.

The spelling of 56695143 in words is "fifty-six million, six hundred ninety-five thousand, one hundred forty-three".

Divisors: 1 3 2711 6971 8133 20913 18898381 56695143