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14839920 = 2432520611
BaseRepresentation
bin111000100111…
…000001110000
31000220221112200
4320213001300
512244334140
61250023200
7240065034
oct70470160
930827480
1014839920
1184164a7
124b77b00
1330c7824
141d841c4
151482030
hexe27070

14839920 has 60 divisors (see below), whose sum is σ = 49839816. Its totient is φ = 3957120.

The previous prime is 14839919. The next prime is 14839927. The reversal of 14839920 is 2993841.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14839927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9586 + ... + 11025.

Almost surely, 214839920 is an apocalyptic number.

14839920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14839920 is an abundant number, since it is smaller than the sum of its proper divisors (34999896).

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

14839920 is a wasteful number, since it uses less digits than its factorization.

14839920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20630 (or 20621 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 14839920 is about 3852.2616733550. The cubic root of 14839920 is about 245.7407540572.

The spelling of 14839920 in words is "fourteen million, eight hundred thirty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 20611 41222 61833 82444 103055 123666 164888 185499 206110 247332 309165 329776 370998 412220 494664 618330 741996 824440 927495 989328 1236660 1483992 1648880 1854990 2473320 2967984 3709980 4946640 7419960 14839920