Search a number
-
+
14385880 = 2351811987
BaseRepresentation
bin110110111000…
…001011011000
31000001212201101
4312320023120
512140322010
61232201144
7233164225
oct66701330
930055641
1014385880
118136363
1249991b4
132c98c72
141ca694c
1513e273a
hexdb82d8

14385880 has 32 divisors (see below), whose sum is σ = 32563440. Its totient is φ = 5719680.

The previous prime is 14385857. The next prime is 14385919. The reversal of 14385880 is 8858341.

14385880 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 7 ways as a sum of consecutive naturals, for example, 6247 + ... + 8233.

Almost surely, 214385880 is an apocalyptic number.

14385880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14385880 is an abundant number, since it is smaller than the sum of its proper divisors (18177560).

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

14385880 is a wasteful number, since it uses less digits than its factorization.

14385880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 14385880 is about 3792.8722625472. The cubic root of 14385880 is about 243.2085346584.

The spelling of 14385880 in words is "fourteen million, three hundred eighty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 1987 3620 3974 7240 7948 9935 15896 19870 39740 79480 359647 719294 1438588 1798235 2877176 3596470 7192940 14385880