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13958079 = 323202291
BaseRepresentation
bin110101001111…
…101110111111
3222021010212220
4311033232333
512033124304
61215100423
7226433052
oct65175677
928233786
1013958079
117973a03
124811713
132b79325
141bd4a99
15135aad9
hexd4fbbf

13958079 has 8 divisors (see below), whose sum is σ = 19420032. Its totient is φ = 8900760.

The previous prime is 13958053. The next prime is 13958093. The reversal of 13958079 is 97085931.

It is a happy number.

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

It is not a de Polignac number, because 13958079 - 25 = 13958047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13958079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13951079) 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, 101077 + ... + 101214.

It is an arithmetic number, because the mean of its divisors is an integer number (2427504).

Almost surely, 213958079 is an apocalyptic number.

13958079 is a deficient number, since it is larger than the sum of its proper divisors (5461953).

13958079 is a wasteful number, since it uses less digits than its factorization.

13958079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202317.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 13958079 is about 3736.0512576784. The cubic root of 13958079 is about 240.7734250188.

The spelling of 13958079 in words is "thirteen million, nine hundred fifty-eight thousand, seventy-nine".

Divisors: 1 3 23 69 202291 606873 4652693 13958079