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12649168 = 247112939
BaseRepresentation
bin110000010000…
…001011010000
3212210122101201
4300100023100
511214233133
61131040544
7212342020
oct60201320
925718351
1012649168
11715a564
1242a0154
13280b61c
141973a80
15119cd7d
hexc102d0

12649168 has 20 divisors (see below), whose sum is σ = 28009120. Its totient is φ = 5421024.

The previous prime is 12649141. The next prime is 12649171. The reversal of 12649168 is 86194621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56358 + ... + 56581.

It is an arithmetic number, because the mean of its divisors is an integer number (1400456).

Almost surely, 212649168 is an apocalyptic number.

It is an amenable number.

12649168 is an abundant number, since it is smaller than the sum of its proper divisors (15359952).

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

12649168 is a wasteful number, since it uses less digits than its factorization.

12649168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112954 (or 112948 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 12649168 is about 3556.5668839486. The cubic root of 12649168 is about 232.9989623389.

It can be divided in two parts, 126 and 49168, that added together give a palindrome (49294).

The spelling of 12649168 in words is "twelve million, six hundred forty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 112939 225878 451756 790573 903512 1581146 1807024 3162292 6324584 12649168