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14479409 = 72068487
BaseRepresentation
bin110111001111…
…000000110001
31000020122000102
4313033000301
512201320114
61234202145
7234034010
oct67170061
930218012
1014479409
11819a65a
124a23355
132ccc6c9
141ccca77
1514102de
hexdcf031

14479409 has 4 divisors (see below), whose sum is σ = 16547904. Its totient is φ = 12410916.

The previous prime is 14479403. The next prime is 14479411. The reversal of 14479409 is 90497441.

14479409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2k-14479409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14479403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034237 + ... + 1034250.

It is an arithmetic number, because the mean of its divisors is an integer number (4136976).

Almost surely, 214479409 is an apocalyptic number.

It is an amenable number.

14479409 is a deficient number, since it is larger than the sum of its proper divisors (2068495).

14479409 is an equidigital number, since it uses as much as digits as its factorization.

14479409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068494.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 14479409 is about 3805.1818616198. The cubic root of 14479409 is about 243.7344654575.

The spelling of 14479409 in words is "fourteen million, four hundred seventy-nine thousand, four hundred nine".

Divisors: 1 7 2068487 14479409