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14927057 = 131113947
BaseRepresentation
bin111000111100…
…010011010001
31001002101001222
4320330103101
512310131212
61251534425
7240610055
oct70742321
931071058
1014927057
118475a12
124bba415
1331283a2
141da7c65
15149cc72
hexe3c4d1

14927057 has 4 divisors (see below), whose sum is σ = 15041136. Its totient is φ = 14812980.

The previous prime is 14927053. The next prime is 14927117. The reversal of 14927057 is 75072941.

14927057 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75072941 = 129158151.

It is a cyclic number.

It is not a de Polignac number, because 14927057 - 22 = 14927053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14927053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56843 + ... + 57104.

It is an arithmetic number, because the mean of its divisors is an integer number (3760284).

Almost surely, 214927057 is an apocalyptic number.

It is an amenable number.

14927057 is a deficient number, since it is larger than the sum of its proper divisors (114079).

14927057 is a wasteful number, since it uses less digits than its factorization.

14927057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114078.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 14927057 is about 3863.5549691961. The cubic root of 14927057 is about 246.2207956640.

Adding to 14927057 its reverse (75072941), we get a palindrome (89999998).

The spelling of 14927057 in words is "fourteen million, nine hundred twenty-seven thousand, fifty-seven".

Divisors: 1 131 113947 14927057