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13959069 = 36197517
BaseRepresentation
bin110101001111…
…111110011101
3222021012020120
4311033332131
512033142234
61215105153
7226435665
oct65177635
928235216
1013959069
117974723
1248121b9
132b79907
141bd51a5
15135b049
hexd4ff9d

13959069 has 8 divisors (see below), whose sum is σ = 18644640. Its totient is φ = 9289776.

The previous prime is 13959061. The next prime is 13959073. The reversal of 13959069 is 96095931.

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

It is not a de Polignac number, because 13959069 - 23 = 13959061 is a prime.

It is a super-2 number, since 2×139590692 = 389711214693522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13959069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902 + ... + 5615.

It is an arithmetic number, because the mean of its divisors is an integer number (2330580).

Almost surely, 213959069 is an apocalyptic number.

It is an amenable number.

13959069 is a deficient number, since it is larger than the sum of its proper divisors (4685571).

13959069 is an equidigital number, since it uses as much as digits as its factorization.

13959069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 13959069 is about 3736.1837481580. The cubic root of 13959069 is about 240.7791173029.

The spelling of 13959069 in words is "thirteen million, nine hundred fifty-nine thousand, sixty-nine".

Divisors: 1 3 619 1857 7517 22551 4653023 13959069