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14420388 = 2231201699
BaseRepresentation
bin110111000000…
…100110100100
31000010122001110
4313000212210
512142423023
61233025020
7233366643
oct67004644
930118043
1014420388
11815a284
1249b5170
132cab898
141cb535a
1513eca93
hexdc09a4

14420388 has 12 divisors (see below), whose sum is σ = 33647600. Its totient is φ = 4806792.

The previous prime is 14420383. The next prime is 14420429. The reversal of 14420388 is 88302441.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (14420383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600838 + ... + 600861.

Almost surely, 214420388 is an apocalyptic number.

It is an amenable number.

14420388 is an abundant number, since it is smaller than the sum of its proper divisors (19227212).

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

14420388 is a wasteful number, since it uses less digits than its factorization.

14420388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201706 (or 1201704 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 14420388 is about 3797.4185968892. The cubic root of 14420388 is about 243.4028441353.

The spelling of 14420388 in words is "fourteen million, four hundred twenty thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1201699 2403398 3605097 4806796 7210194 14420388