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13479423 = 34919151
BaseRepresentation
bin110011011010…
…110111111111
3221100211021220
4303122313333
511422320143
61200524423
7222400416
oct63326777
927324256
1013479423
117677321
124620713
132a3c4b9
141b0c47d
1512b3d83
hexcdadff

13479423 has 8 divisors (see below), whose sum is σ = 18011136. Its totient is φ = 8967000.

The previous prime is 13479409. The next prime is 13479439. The reversal of 13479423 is 32497431.

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

It is not a de Polignac number, because 13479423 - 24 = 13479407 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13479463) 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, 3103 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (2251392).

Almost surely, 213479423 is an apocalyptic number.

13479423 is a deficient number, since it is larger than the sum of its proper divisors (4531713).

13479423 is an equidigital number, since it uses as much as digits as its factorization.

13479423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645.

The product of its digits is 18144, while the sum is 33.

The square root of 13479423 is about 3671.4333713143. The cubic root of 13479423 is about 237.9891186796.

The spelling of 13479423 in words is "thirteen million, four hundred seventy-nine thousand, four hundred twenty-three".

Divisors: 1 3 491 1473 9151 27453 4493141 13479423