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14669780 = 225733489
BaseRepresentation
bin110111111101…
…011111010100
31000121022011012
4313331133110
512223413110
61242231352
7235456016
oct67753724
930538135
1014669780
11830a694
124ab5558
133068258
141d3c1b6
15144b905
hexdfd7d4

14669780 has 12 divisors (see below), whose sum is σ = 30806580. Its totient is φ = 5867904.

The previous prime is 14669779. The next prime is 14669803. The reversal of 14669780 is 8796641.

It can be written as a sum of positive squares in 2 ways, for example, as 9156676 + 5513104 = 3026^2 + 2348^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366725 + ... + 366764.

It is an arithmetic number, because the mean of its divisors is an integer number (2567215).

Almost surely, 214669780 is an apocalyptic number.

14669780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14669780 is an abundant number, since it is smaller than the sum of its proper divisors (16136800).

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

14669780 is a wasteful number, since it uses less digits than its factorization.

14669780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733498 (or 733496 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 14669780 is about 3830.1148807836. The cubic root of 14669780 is about 244.7980009306.

The spelling of 14669780 in words is "fourteen million, six hundred sixty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 733489 1466978 2933956 3667445 7334890 14669780