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14688490 = 252363863
BaseRepresentation
bin111000000010…
…000011101010
31000122020211011
4320002003222
512230012430
61242454134
7235564405
oct70020352
930566734
1014688490
118322753
124b0434a
13307391b
141d44d3c
15145222a
hexe020ea

14688490 has 16 divisors (see below), whose sum is σ = 27589248. Its totient is φ = 5619856.

The previous prime is 14688481. The next prime is 14688491. The reversal of 14688490 is 9488641.

It is not an unprimeable number, because it can be changed into a prime (14688491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31702 + ... + 32161.

It is an arithmetic number, because the mean of its divisors is an integer number (1724328).

Almost surely, 214688490 is an apocalyptic number.

14688490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14688490 is a deficient number, since it is larger than the sum of its proper divisors (12900758).

14688490 is a wasteful number, since it uses less digits than its factorization.

14688490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63893.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 14688490 is about 3832.5565879710. The cubic root of 14688490 is about 244.9020294113.

The spelling of 14688490 in words is "fourteen million, six hundred eighty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 63863 127726 319315 638630 1468849 2937698 7344245 14688490