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14928980 = 22511231199
BaseRepresentation
bin111000111100…
…110001010100
31001002110201012
4320330301110
512310211410
61251551352
7240615503
oct70746124
931073635
1014928980
118477400
124bbb558
133129221
141da883a
15149d605
hexe3cc54

14928980 has 72 divisors (see below), whose sum is σ = 35750400. Its totient is φ = 5227200.

The previous prime is 14928971. The next prime is 14929039. The reversal of 14928980 is 8982941.

14928980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74921 + ... + 75119.

Almost surely, 214928980 is an apocalyptic number.

14928980 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 14928980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17875200).

14928980 is an abundant number, since it is smaller than the sum of its proper divisors (20821420).

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

14928980 is a wasteful number, since it uses less digits than its factorization.

14928980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 14928980 is about 3863.8038252479. The cubic root of 14928980 is about 246.2313684616.

The spelling of 14928980 in words is "fourteen million, nine hundred twenty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 121 124 155 199 220 242 310 341 398 484 605 620 682 796 995 1210 1364 1705 1990 2189 2420 3410 3751 3980 4378 6169 6820 7502 8756 10945 12338 15004 18755 21890 24079 24676 30845 37510 43780 48158 61690 67859 75020 96316 120395 123380 135718 240790 271436 339295 481580 678590 746449 1357180 1492898 2985796 3732245 7464490 14928980