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14190689 = 73349557
BaseRepresentation
bin110110001000…
…100001100001
3222200221222002
4312020201201
512113100224
61224053345
7231422162
oct66104141
928627862
1014190689
118012747
124904255
132c2b176
141c55769
1513a49ae
hexd88861

14190689 has 8 divisors (see below), whose sum is σ = 14452200. Its totient is φ = 13931136.

The previous prime is 14190677. The next prime is 14190703. The reversal of 14190689 is 98609141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1288225 + 12902464 = 1135^2 + 3592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14190689 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14190629) 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, 25199 + ... + 25755.

It is an arithmetic number, because the mean of its divisors is an integer number (1806525).

Almost surely, 214190689 is an apocalyptic number.

It is an amenable number.

14190689 is a deficient number, since it is larger than the sum of its proper divisors (261511).

14190689 is an equidigital number, since it uses as much as digits as its factorization.

14190689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 14190689 is about 3767.0530922725. The cubic root of 14190689 is about 242.1035517498.

The spelling of 14190689 in words is "fourteen million, one hundred ninety thousand, six hundred eighty-nine".

Divisors: 1 73 349 557 25477 40661 194393 14190689