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14229891 = 331371571
BaseRepresentation
bin110110010010…
…000110000011
3222202221202000
4312102012003
512120324031
61224555043
7231644364
oct66220603
928687660
1014229891
11803a145
124922a83
132c42c70
141c65b6b
1513b13e6
hexd92183

14229891 has 32 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 8618400.

The previous prime is 14229883. The next prime is 14229907. The reversal of 14229891 is 19892241.

It is not a de Polignac number, because 14229891 - 23 = 14229883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14229191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24636 + ... + 25206.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 214229891 is an apocalyptic number.

14229891 is a deficient number, since it is larger than the sum of its proper divisors (8833149).

14229891 is a wasteful number, since it uses less digits than its factorization.

14229891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 658 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 14229891 is about 3772.2527751995. The cubic root of 14229891 is about 242.3262850551.

The spelling of 14229891 in words is "fourteen million, two hundred twenty-nine thousand, eight hundred ninety-one".

Divisors: 1 3 9 13 27 39 71 117 213 351 571 639 923 1713 1917 2769 5139 7423 8307 15417 22269 24921 40541 66807 121623 200421 364869 527033 1094607 1581099 4743297 14229891