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14969920 = 265741163
BaseRepresentation
bin111001000110…
…110001000000
31001011112212111
4321012301000
512313014140
61252505104
7241146040
oct71066100
931145774
1014969920
1184a5139
12501b194
133141a54
141db9720
1514aa7ea
hexe46c40

14969920 has 112 divisors (see below), whose sum is σ = 41989248. Its totient is φ = 4976640.

The previous prime is 14969909. The next prime is 14969921. The reversal of 14969920 is 2996941.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (14969921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91759 + ... + 91921.

It is an arithmetic number, because the mean of its divisors is an integer number (374904).

Almost surely, 214969920 is an apocalyptic number.

14969920 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 14969920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20994624).

14969920 is an abundant number, since it is smaller than the sum of its proper divisors (27019328).

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

14969920 is a wasteful number, since it uses less digits than its factorization.

14969920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 14969920 is about 3869.0980861177. The cubic root of 14969920 is about 246.4562445393.

The spelling of 14969920 in words is "fourteen million, nine hundred sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 64 70 80 82 112 140 160 163 164 205 224 280 287 320 326 328 410 448 560 574 652 656 815 820 1120 1141 1148 1304 1312 1435 1630 1640 2240 2282 2296 2608 2624 2870 3260 3280 4564 4592 5216 5705 5740 6520 6560 6683 9128 9184 10432 11410 11480 13040 13120 13366 18256 18368 22820 22960 26080 26732 33415 36512 45640 45920 46781 52160 53464 66830 73024 91280 91840 93562 106928 133660 182560 187124 213856 233905 267320 365120 374248 427712 467810 534640 748496 935620 1069280 1496992 1871240 2138560 2993984 3742480 7484960 14969920