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14221086 = 2311215471
BaseRepresentation
bin110110001111…
…111100011110
3222202111122220
4312033330132
512120033321
61224450210
7231606615
oct66177436
928674586
1014221086
118033570
124919966
132c3bc59
141c6287c
1513ad9c6
hexd8ff1e

14221086 has 16 divisors (see below), whose sum is σ = 31027968. Its totient is φ = 4309400.

The previous prime is 14221069. The next prime is 14221091. The reversal of 14221086 is 68012241.

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, 107670 + ... + 107801.

It is an arithmetic number, because the mean of its divisors is an integer number (1939248).

Almost surely, 214221086 is an apocalyptic number.

14221086 is an abundant number, since it is smaller than the sum of its proper divisors (16806882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221086 is a wasteful number, since it uses less digits than its factorization.

14221086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215487.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 14221086 is about 3771.0855201122. The cubic root of 14221086 is about 242.2762934991.

The spelling of 14221086 in words is "fourteen million, two hundred twenty-one thousand, eighty-six".

Divisors: 1 2 3 6 11 22 33 66 215471 430942 646413 1292826 2370181 4740362 7110543 14221086