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13685079 = 337123289
BaseRepresentation
bin110100001101…
…000101010111
3221202021101210
4310031011113
512000410304
61205152503
7224215122
oct64150527
927667353
1013685079
1177a7891
1246bb733
132ab1ca5
141b633b9
151304c89
hexd0d157

13685079 has 8 divisors (see below), whose sum is σ = 18740080. Its totient is φ = 8876736.

The previous prime is 13685057. The next prime is 13685081. The reversal of 13685079 is 97058631.

13685079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13685079 - 25 = 13685047 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 (13685029) 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, 61534 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (2342510).

Almost surely, 213685079 is an apocalyptic number.

13685079 is a deficient number, since it is larger than the sum of its proper divisors (5055001).

13685079 is a wasteful number, since it uses less digits than its factorization.

13685079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123329.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13685079 is about 3699.3349402291. The cubic root of 13685079 is about 239.1933508869.

The spelling of 13685079 in words is "thirteen million, six hundred eighty-five thousand, seventy-nine".

Divisors: 1 3 37 111 123289 369867 4561693 13685079