Search a number
-
+
14879720 = 2354143211
BaseRepresentation
bin111000110000…
…101111101000
31000222222010202
4320300233220
512302122340
61250531332
7240322052
oct70605750
930888122
1014879720
118443399
124b96b48
13310c98b
141d948d2
15148dc15
hexe30be8

14879720 has 64 divisors (see below), whose sum is σ = 35259840. Its totient is φ = 5644800.

The previous prime is 14879687. The next prime is 14879731. The reversal of 14879720 is 2797841.

14879720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70415 + ... + 70625.

It is an arithmetic number, because the mean of its divisors is an integer number (550935).

Almost surely, 214879720 is an apocalyptic number.

14879720 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 14879720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17629920).

14879720 is an abundant number, since it is smaller than the sum of its proper divisors (20380120).

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

14879720 is a wasteful number, since it uses less digits than its factorization.

14879720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 14879720 is about 3857.4240109171. The cubic root of 14879720 is about 245.9602465121.

The spelling of 14879720 in words is "fourteen million, eight hundred seventy-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 43 82 86 164 172 205 211 215 328 344 410 422 430 820 844 860 1055 1640 1688 1720 1763 2110 3526 4220 7052 8440 8651 8815 9073 14104 17302 17630 18146 34604 35260 36292 43255 45365 69208 70520 72584 86510 90730 173020 181460 346040 362920 371993 743986 1487972 1859965 2975944 3719930 7439860 14879720