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14188680 = 23325113583
BaseRepresentation
bin110110001000…
…000010001000
3222200212012200
4312020002020
512113014210
61224040200
7231413262
oct66100210
928625180
1014188680
118011190
124903060
132c2a28c
141c54b32
1513a40c0
hexd88088

14188680 has 96 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 3438720.

The previous prime is 14188673. The next prime is 14188709. The reversal of 14188680 is 8688141.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2169 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 214188680 is an apocalyptic number.

14188680 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 14188680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25159680).

14188680 is an abundant number, since it is smaller than the sum of its proper divisors (36130680).

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

14188680 is a wasteful number, since it uses less digits than its factorization.

14188680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 14188680 is about 3766.7864287745. The cubic root of 14188680 is about 242.0921262066.

The spelling of 14188680 in words is "fourteen million, one hundred eighty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3583 3960 7166 10749 14332 17915 21498 28664 32247 35830 39413 42996 53745 64494 71660 78826 85992 107490 118239 128988 143320 157652 161235 197065 214980 236478 257976 315304 322470 354717 394130 429960 472956 591195 644940 709434 788260 945912 1182390 1289880 1418868 1576520 1773585 2364780 2837736 3547170 4729560 7094340 14188680