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14880109 = 71209579
BaseRepresentation
bin111000110000…
…110101101101
31000222222200011
4320300311231
512302130414
61250533221
7240323146
oct70606555
930888604
1014880109
118443712
124b97211
13310cbca
141d94acd
15148ddc4
hexe30d6d

14880109 has 4 divisors (see below), whose sum is σ = 15089760. Its totient is φ = 14670460.

The previous prime is 14880071. The next prime is 14880119. The reversal of 14880109 is 90108841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14880109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14880119) 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 3 ways as a sum of consecutive naturals, for example, 104719 + ... + 104860.

It is an arithmetic number, because the mean of its divisors is an integer number (3772440).

Almost surely, 214880109 is an apocalyptic number.

It is an amenable number.

14880109 is a deficient number, since it is larger than the sum of its proper divisors (209651).

14880109 is an equidigital number, since it uses as much as digits as its factorization.

14880109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209650.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 14880109 is about 3857.4744328381. The cubic root of 14880109 is about 245.9623898701.

The spelling of 14880109 in words is "fourteen million, eight hundred eighty thousand, one hundred nine".

Divisors: 1 71 209579 14880109