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14189980 = 2257791283
BaseRepresentation
bin110110001000…
…010110011100
3222200220222211
4312020112130
512113034410
61224050204
7231420130
oct66102634
928626884
1014189980
118012162
124903964
132c2aa4c
141c553c0
1513a468a
hexd8859c

14189980 has 48 divisors (see below), whose sum is σ = 34513920. Its totient is φ = 4799808.

The previous prime is 14189953. The next prime is 14189983. The reversal of 14189980 is 8998141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14189983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10419 + ... + 11701.

It is an arithmetic number, because the mean of its divisors is an integer number (719040).

Almost surely, 214189980 is an apocalyptic number.

14189980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14189980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17256960).

14189980 is an abundant number, since it is smaller than the sum of its proper divisors (20323940).

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

14189980 is a wasteful number, since it uses less digits than its factorization.

14189980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 14189980 is about 3766.9589857072. The cubic root of 14189980 is about 242.0995196628.

The spelling of 14189980 in words is "fourteen million, one hundred eighty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 79 140 158 316 395 553 790 1106 1283 1580 2212 2566 2765 5132 5530 6415 8981 11060 12830 17962 25660 35924 44905 89810 101357 179620 202714 405428 506785 709499 1013570 1418998 2027140 2837996 3547495 7094990 14189980