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14012091 = 329111709
BaseRepresentation
bin110101011100…
…111010111011
3222100212222100
4311130322323
512041341331
61220154443
7230046402
oct65347273
928325870
1014012091
117a00545
124838a23
132b97aa2
141c0a639
15136bae6
hexd5cebb

14012091 has 12 divisors (see below), whose sum is σ = 20273760. Its totient is φ = 9325680.

The previous prime is 14012081. The next prime is 14012111. The reversal of 14012091 is 19021041.

It is not a de Polignac number, because 14012091 - 29 = 14011579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14012041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7345 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 214012091 is an apocalyptic number.

14012091 is a deficient number, since it is larger than the sum of its proper divisors (6261669).

14012091 is a wasteful number, since it uses less digits than its factorization.

14012091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 14012091 is about 3743.2727659095. The cubic root of 14012091 is about 241.0835898580.

The spelling of 14012091 in words is "fourteen million, twelve thousand, ninety-one".

Divisors: 1 3 9 911 1709 2733 5127 8199 15381 1556899 4670697 14012091