Search a number
-
+
57147059 = 69118269
BaseRepresentation
bin1101100111111…
…1111010110011
310222112101000202
43121333322303
5104112201214
65400505415
71262512334
oct331777263
9128471022
1057147059
112a292482
121717b26b
13babb538
14783828b
15503c6de
hex367feb3

57147059 has 4 divisors (see below), whose sum is σ = 57162240. Its totient is φ = 57131880.

The previous prime is 57147037. The next prime is 57147061. The reversal of 57147059 is 95074175.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57147059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57147089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777 + ... + 11045.

It is an arithmetic number, because the mean of its divisors is an integer number (14290560).

Almost surely, 257147059 is an apocalyptic number.

57147059 is a deficient number, since it is larger than the sum of its proper divisors (15181).

57147059 is an equidigital number, since it uses as much as digits as its factorization.

57147059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 57147059 is about 7559.5673818017. The cubic root of 57147059 is about 385.1807977504.

The spelling of 57147059 in words is "fifty-seven million, one hundred forty-seven thousand, fifty-nine".

Divisors: 1 6911 8269 57147059