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14157331 = 119311867
BaseRepresentation
bin110110000000…
…011000010011
3222122021012121
4312000120103
512111013311
61223235111
7231223006
oct66003023
928567177
1014157331
117a9a681
1248a8a97
132c18c26
141c4753d
151399b71
hexd80613

14157331 has 4 divisors (see below), whose sum is σ = 14170392. Its totient is φ = 14144272.

The previous prime is 14157317. The next prime is 14157371. The reversal of 14157331 is 13375141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14157331 - 27 = 14157203 is a prime.

It is a super-2 number, since 2×141573312 = 400860042087122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14157296 and 14157305.

It is not an unprimeable number, because it can be changed into a prime (14157371) 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, 4741 + ... + 7126.

It is an arithmetic number, because the mean of its divisors is an integer number (3542598).

Almost surely, 214157331 is an apocalyptic number.

14157331 is a deficient number, since it is larger than the sum of its proper divisors (13061).

14157331 is a wasteful number, since it uses less digits than its factorization.

14157331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060.

The product of its digits is 1260, while the sum is 25.

The square root of 14157331 is about 3762.6228883586. The cubic root of 14157331 is about 241.9136989361.

The spelling of 14157331 in words is "fourteen million, one hundred fifty-seven thousand, three hundred thirty-one".

Divisors: 1 1193 11867 14157331