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14991172 = 227535399
BaseRepresentation
bin111001001011…
…111101000100
31001012122000121
4321023331010
512314204142
61253151324
7241265020
oct71137504
931178017
1014991172
11850a0a9
12502b544
13314b621
141dc3380
1514b1c67
hexe4bf44

14991172 has 12 divisors (see below), whose sum is σ = 29982400. Its totient is φ = 6424776.

The previous prime is 14991169. The next prime is 14991181. The reversal of 14991172 is 27119941.

14991172 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267672 + ... + 267727.

Almost surely, 214991172 is an apocalyptic number.

It is an amenable number.

14991172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14991172 is a wasteful number, since it uses less digits than its factorization.

14991172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535410 (or 535408 counting only the distinct ones).

The product of its digits is 4536, while the sum is 34.

The square root of 14991172 is about 3871.8434885723. The cubic root of 14991172 is about 246.5728163381.

The spelling of 14991172 in words is "fourteen million, nine hundred ninety-one thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 535399 1070798 2141596 3747793 7495586 14991172