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14918680 = 235753281
BaseRepresentation
bin111000111010…
…010000011000
31001001221120201
4320322100120
512304344210
61251431544
7240543460
oct70722030
931057521
1014918680
11846a697
124bb55b4
13312462a
141da4ba0
15149a53a
hexe3a418

14918680 has 32 divisors (see below), whose sum is σ = 38363040. Its totient is φ = 5114880.

The previous prime is 14918677. The next prime is 14918699. The reversal of 14918680 is 8681941.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26361 + ... + 26920.

It is an arithmetic number, because the mean of its divisors is an integer number (1198845).

Almost surely, 214918680 is an apocalyptic number.

14918680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14918680 is an abundant number, since it is smaller than the sum of its proper divisors (23444360).

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

14918680 is a wasteful number, since it uses less digits than its factorization.

14918680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53299 (or 53295 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 14918680 is about 3862.4707118631. The cubic root of 14918680 is about 246.1747276957.

The spelling of 14918680 in words is "fourteen million, nine hundred eighteen thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 53281 106562 213124 266405 372967 426248 532810 745934 1065620 1491868 1864835 2131240 2983736 3729670 7459340 14918680