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14638812 = 2235323017
BaseRepresentation
bin110111110101…
…111011011100
31000112201200020
4313311323130
512221420222
61241432140
7235266516
oct67657334
930481606
1014638812
1182993a1
124a9b650
133057126
141d30bb6
15144265c
hexdf5edc

14638812 has 24 divisors (see below), whose sum is σ = 34803216. Its totient is φ = 4787328.

The previous prime is 14638807. The next prime is 14638817. The reversal of 14638812 is 21883641.

It is an interprime number because it is at equal distance from previous prime (14638807) and next prime (14638817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14638817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10873 + ... + 12144.

It is an arithmetic number, because the mean of its divisors is an integer number (1450134).

Almost surely, 214638812 is an apocalyptic number.

14638812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14638812 is an abundant number, since it is smaller than the sum of its proper divisors (20164404).

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

14638812 is a wasteful number, since it uses less digits than its factorization.

14638812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23077 (or 23075 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 14638812 is about 3826.0700464053. The cubic root of 14638812 is about 244.6256228580.

The spelling of 14638812 in words is "fourteen million, six hundred thirty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 23017 46034 69051 92068 138102 276204 1219901 2439802 3659703 4879604 7319406 14638812