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14384988 = 2232399583
BaseRepresentation
bin110110110111…
…111101011100
31000001211111100
4312313331130
512140304423
61232153100
7233161512
oct66677534
930054440
1014384988
118135722
124998790
132c98737
141ca64b2
1513e2343
hexdb7f5c

14384988 has 18 divisors (see below), whose sum is σ = 36362144. Its totient is φ = 4794984.

The previous prime is 14384987. The next prime is 14384999. The reversal of 14384988 is 88948341.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14384983) 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 5 ways as a sum of consecutive naturals, for example, 199756 + ... + 199827.

Almost surely, 214384988 is an apocalyptic number.

14384988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14384988 is an abundant number, since it is smaller than the sum of its proper divisors (21977156).

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

14384988 is a wasteful number, since it uses less digits than its factorization.

14384988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399593 (or 399588 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 14384988 is about 3792.7546717393. The cubic root of 14384988 is about 243.2035078196.

The spelling of 14384988 in words is "fourteen million, three hundred eighty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 399583 799166 1198749 1598332 2397498 3596247 4794996 7192494 14384988