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14680809 = 32112131761
BaseRepresentation
bin111000000000…
…001011101001
31000121212021200
4320000023221
512224241214
61242354413
7235533123
oct70001351
930555250
1014680809
118317a00
124abba09
133070290
141d42213
15144ed09
hexe002e9

14680809 has 72 divisors (see below), whose sum is σ = 27013896. Its totient is φ = 7603200.

The previous prime is 14680801. The next prime is 14680859. The reversal of 14680809 is 90808641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 14653584 = 165^2 + 3828^2 .

It is not a de Polignac number, because 14680809 - 23 = 14680801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14680801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 240639 + ... + 240699.

It is an arithmetic number, because the mean of its divisors is an integer number (375193).

Almost surely, 214680809 is an apocalyptic number.

It is an amenable number.

14680809 is a deficient number, since it is larger than the sum of its proper divisors (12333087).

14680809 is a wasteful number, since it uses less digits than its factorization.

14680809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 14680809 is about 3831.5543843198. The cubic root of 14680809 is about 244.8593333848.

The spelling of 14680809 in words is "fourteen million, six hundred eighty thousand, eight hundred nine".