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13740879 = 317269429
BaseRepresentation
bin110100011010…
…101101001111
3221212002221110
4310122231033
512004202004
61210303103
7224536605
oct64325517
927762843
1013740879
1178357a9
124727a93
132b014c9
141b79875
151316589
hexd1ab4f

13740879 has 8 divisors (see below), whose sum is σ = 19398960. Its totient is φ = 8621696.

The previous prime is 13740869. The next prime is 13740887. The reversal of 13740879 is 97804731.

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

It is a cyclic number.

It is not a de Polignac number, because 13740879 - 29 = 13740367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740869) 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, 134664 + ... + 134765.

It is an arithmetic number, because the mean of its divisors is an integer number (2424870).

Almost surely, 213740879 is an apocalyptic number.

13740879 is a deficient number, since it is larger than the sum of its proper divisors (5658081).

13740879 is a wasteful number, since it uses less digits than its factorization.

13740879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269449.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 13740879 is about 3706.8691641330. The cubic root of 13740879 is about 239.5180083594.

The spelling of 13740879 in words is "thirteen million, seven hundred forty thousand, eight hundred seventy-nine".

Divisors: 1 3 17 51 269429 808287 4580293 13740879