Search a number
-
+
13856057 = 73347547
BaseRepresentation
bin110100110110…
…110100111001
3222001221221022
4310312310321
512021343212
61212552225
7225526445
oct64666471
928057838
1013856057
117904296
124782675
132b41a67
141ba9825
15133a772
hexd36d39

13856057 has 8 divisors (see below), whose sum is σ = 14112096. Its totient is φ = 13601952.

The previous prime is 13856053. The next prime is 13856077. The reversal of 13856057 is 75065831.

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 13856057 - 22 = 13856053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13856053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25058 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (1764012).

Almost surely, 213856057 is an apocalyptic number.

It is an amenable number.

13856057 is a deficient number, since it is larger than the sum of its proper divisors (256039).

13856057 is an equidigital number, since it uses as much as digits as its factorization.

13856057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 13856057 is about 3722.3724961374. The cubic root of 13856057 is about 240.1853718315.

The spelling of 13856057 in words is "thirteen million, eight hundred fifty-six thousand, fifty-seven".

Divisors: 1 73 347 547 25331 39931 189809 13856057