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14091415 = 513216791
BaseRepresentation
bin110101110000…
…010010010111
3222111220210021
4311300102113
512101411130
61222010011
7230526562
oct65602227
928456707
1014091415
117a550a8
124876907
132bc4c20
141c2b4d9
15138537a
hexd70497

14091415 has 8 divisors (see below), whose sum is σ = 18210528. Its totient is φ = 10405920.

The previous prime is 14091359. The next prime is 14091431. The reversal of 14091415 is 51419041.

14091415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14091415 - 29 = 14090903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14091415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108331 + ... + 108460.

It is an arithmetic number, because the mean of its divisors is an integer number (2276316).

Almost surely, 214091415 is an apocalyptic number.

14091415 is a deficient number, since it is larger than the sum of its proper divisors (4119113).

14091415 is a wasteful number, since it uses less digits than its factorization.

14091415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216809.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 14091415 is about 3753.8533535555. The cubic root of 14091415 is about 241.5376677111.

The spelling of 14091415 in words is "fourteen million, ninety-one thousand, four hundred fifteen".

Divisors: 1 5 13 65 216791 1083955 2818283 14091415