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14636420 = 225731821
BaseRepresentation
bin110111110101…
…010110000100
31000112121101122
4313311112010
512221331140
61241413112
7235256531
oct67652604
930477348
1014636420
118297617
124a9a198
133056006
141d2dd88
151441ab5
hexdf5584

14636420 has 12 divisors (see below), whose sum is σ = 30736524. Its totient is φ = 5854560.

The previous prime is 14636399. The next prime is 14636429. The reversal of 14636420 is 2463641.

It can be written as a sum of positive squares in 2 ways, for example, as 8809024 + 5827396 = 2968^2 + 2414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14636420.

It is not an unprimeable number, because it can be changed into a prime (14636429) by changing a digit.

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, 365891 + ... + 365930.

It is an arithmetic number, because the mean of its divisors is an integer number (2561377).

Almost surely, 214636420 is an apocalyptic number.

14636420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14636420 is an abundant number, since it is smaller than the sum of its proper divisors (16100104).

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

14636420 is a wasteful number, since it uses less digits than its factorization.

14636420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731830 (or 731828 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 14636420 is about 3825.7574413441. The cubic root of 14636420 is about 244.6122980891.

The spelling of 14636420 in words is "fourteen million, six hundred thirty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 731821 1463642 2927284 3659105 7318210 14636420