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14078720 = 28517647
BaseRepresentation
bin110101101101…
…001100000000
3222111021101002
4311231030000
512101004340
61221431132
7230444555
oct65551400
928437332
1014078720
117a46607
12486b4a8
132bbc206
141c26a2c
151381715
hexd6d300

14078720 has 72 divisors (see below), whose sum is σ = 35761824. Its totient is φ = 5292032.

The previous prime is 14078719. The next prime is 14078741. The reversal of 14078720 is 2787041.

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, 21437 + ... + 22083.

It is an arithmetic number, because the mean of its divisors is an integer number (496692).

Almost surely, 214078720 is an apocalyptic number.

14078720 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 14078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17880912).

14078720 is an abundant number, since it is smaller than the sum of its proper divisors (21683104).

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

14078720 is an equidigital number, since it uses as much as digits as its factorization.

14078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 14078720 is about 3752.1620434091. The cubic root of 14078720 is about 241.4651119038.

The spelling of 14078720 in words is "fourteen million, seventy-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 640 647 680 1088 1280 1294 1360 2176 2588 2720 3235 4352 5176 5440 6470 10352 10880 10999 12940 20704 21760 21998 25880 41408 43996 51760 54995 82816 87992 103520 109990 165632 175984 207040 219980 351968 414080 439960 703936 828160 879920 1407872 1759840 2815744 3519680 7039360 14078720