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13114457 = 31479001
BaseRepresentation
bin110010000001…
…110001011001
3220200021122122
4302001301121
511324130312
61145031025
7216320366
oct62016131
926607578
1013114457
1174480a4
124485475
132942345
141a5546d
151240b72
hexc81c59

13114457 has 8 divisors (see below), whose sum is σ = 13827072. Its totient is φ = 12420000.

The previous prime is 13114447. The next prime is 13114469. The reversal of 13114457 is 75441131.

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 13114457 - 28 = 13114201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13114447) 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, 3044 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (1728384).

Almost surely, 213114457 is an apocalyptic number.

It is an amenable number.

13114457 is a deficient number, since it is larger than the sum of its proper divisors (712615).

13114457 is an equidigital number, since it uses as much as digits as its factorization.

13114457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079.

The product of its digits is 1680, while the sum is 26.

The square root of 13114457 is about 3621.3888219853. The cubic root of 13114457 is about 235.8215219091.

Adding to 13114457 its reverse (75441131), we get a palindrome (88555588).

The spelling of 13114457 in words is "thirteen million, one hundred fourteen thousand, four hundred fifty-seven".

Divisors: 1 31 47 1457 9001 279031 423047 13114457