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13960157 = 34740231
BaseRepresentation
bin110101010000…
…001111011101
3222021020201212
4311100033131
512033211112
61215114205
7226442111
oct65201735
928236655
1013960157
117975522
124812965
132b7a263
141bd5741
15135b522
hexd503dd

13960157 has 4 divisors (see below), whose sum is σ = 14000736. Its totient is φ = 13919580.

The previous prime is 13960151. The next prime is 13960159. The reversal of 13960157 is 75106931.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13960157 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 (13960151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19769 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (3500184).

Almost surely, 213960157 is an apocalyptic number.

It is an amenable number.

13960157 is a deficient number, since it is larger than the sum of its proper divisors (40579).

13960157 is an equidigital number, since it uses as much as digits as its factorization.

13960157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40578.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13960157 is about 3736.3293484381. The cubic root of 13960157 is about 240.7853727553.

The spelling of 13960157 in words is "thirteen million, nine hundred sixty thousand, one hundred fifty-seven".

Divisors: 1 347 40231 13960157