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13914720 = 253353221
BaseRepresentation
bin110101000101…
…001001100000
3222011221102000
4311011021200
512030232340
61214124000
7226162461
oct65051140
928157360
1013914720
117944376
1247b0600
132b62681
141bc2d68
15134cd30
hexd45260

13914720 has 96 divisors (see below), whose sum is σ = 48716640. Its totient is φ = 3709440.

The previous prime is 13914713. The next prime is 13914739. The reversal of 13914720 is 2741931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 2710 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (507465).

Almost surely, 213914720 is an apocalyptic number.

13914720 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 13914720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24358320).

13914720 is an abundant number, since it is smaller than the sum of its proper divisors (34801920).

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

13914720 is a wasteful number, since it uses less digits than its factorization.

13914720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13914720 is about 3730.2439598503. The cubic root of 13914720 is about 240.5238557313.

The spelling of 13914720 in words is "thirteen million, nine hundred fourteen thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 3221 4320 6442 9663 12884 16105 19326 25768 28989 32210 38652 48315 51536 57978 64420 77304 86967 96630 103072 115956 128840 144945 154608 173934 193260 231912 257680 289890 309216 347868 386520 434835 463824 515360 579780 695736 773040 869670 927648 1159560 1391472 1546080 1739340 2319120 2782944 3478680 4638240 6957360 13914720