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14505920 = 2651113317
BaseRepresentation
bin110111010101…
…011111000000
31000021222101022
4313111133000
512203142140
61234525012
7234204212
oct67253700
930258338
1014505920
118208570
124a36768
13300b7b0
141cd85b2
1514180b5
hexdd57c0

14505920 has 112 divisors (see below), whose sum is σ = 40709088. Its totient is φ = 4853760.

The previous prime is 14505919. The next prime is 14505929. The reversal of 14505920 is 2950541.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 14505920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14505929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45602 + ... + 45918.

It is an arithmetic number, because the mean of its divisors is an integer number (363474).

Almost surely, 214505920 is an apocalyptic number.

14505920 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 14505920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20354544).

14505920 is an abundant number, since it is smaller than the sum of its proper divisors (26203168).

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

14505920 is a wasteful number, since it uses less digits than its factorization.

14505920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 14505920 is about 3808.6638076890. The cubic root of 14505920 is about 243.8831295543.

The spelling of 14505920 in words is "fourteen million, five hundred five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 130 143 160 176 208 220 260 286 317 320 352 416 440 520 572 634 704 715 832 880 1040 1144 1268 1430 1585 1760 2080 2288 2536 2860 3170 3487 3520 4121 4160 4576 5072 5720 6340 6974 8242 9152 10144 11440 12680 13948 16484 17435 20288 20605 22880 25360 27896 32968 34870 41210 45331 45760 50720 55792 65936 69740 82420 90662 101440 111584 131872 139480 164840 181324 223168 226655 263744 278960 329680 362648 453310 557920 659360 725296 906620 1115840 1318720 1450592 1813240 2901184 3626480 7252960 14505920