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14779013 = 74319891
BaseRepresentation
bin111000011000…
…001010000101
31000210211222212
4320120022011
512240412023
61244433205
7236422334
oct70301205
930724885
1014779013
118384767
124b48805
1330a5ba2
141d69d1b
15146de78
hexe18285

14779013 has 4 divisors (see below), whose sum is σ = 14799648. Its totient is φ = 14758380.

The previous prime is 14779003. The next prime is 14779049. The reversal of 14779013 is 31097741.

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 not a de Polignac number, because 14779013 - 218 = 14516869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14779003) 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, 9203 + ... + 10688.

It is an arithmetic number, because the mean of its divisors is an integer number (3699912).

Almost surely, 214779013 is an apocalyptic number.

It is an amenable number.

14779013 is a deficient number, since it is larger than the sum of its proper divisors (20635).

14779013 is an equidigital number, since it uses as much as digits as its factorization.

14779013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20634.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 14779013 is about 3844.3481892253. The cubic root of 14779013 is about 245.4040978046.

The spelling of 14779013 in words is "fourteen million, seven hundred seventy-nine thousand, thirteen".

Divisors: 1 743 19891 14779013