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13614157 = 23956963
BaseRepresentation
bin110011111011…
…110001001101
3221121200010001
4303323301031
511441123112
61203444301
7223501264
oct63736115
927550101
1013614157
117759577
124686691
132a8891b
141b455db
1512ddc57
hexcfbc4d

13614157 has 4 divisors (see below), whose sum is σ = 13671360. Its totient is φ = 13556956.

The previous prime is 13614143. The next prime is 13614193. The reversal of 13614157 is 75141631.

13614157 is nontrivially palindromic in base 11.

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: 75141631 = 241311791.

It is a cyclic number.

It is not a de Polignac number, because 13614157 - 215 = 13581389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13614197) 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, 28243 + ... + 28720.

It is an arithmetic number, because the mean of its divisors is an integer number (3417840).

Almost surely, 213614157 is an apocalyptic number.

It is an amenable number.

13614157 is a deficient number, since it is larger than the sum of its proper divisors (57203).

13614157 is an equidigital number, since it uses as much as digits as its factorization.

13614157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57202.

The product of its digits is 2520, while the sum is 28.

The square root of 13614157 is about 3689.7367114741. The cubic root of 13614157 is about 238.7794338866.

Adding to 13614157 its reverse (75141631), we get a palindrome (88755788).

The spelling of 13614157 in words is "thirteen million, six hundred fourteen thousand, one hundred fifty-seven".

Divisors: 1 239 56963 13614157