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13929085 = 513732029
BaseRepresentation
bin110101001000…
…101001111101
3222012200010001
4311020221331
512031212320
61214314301
7226252402
oct65105175
928180101
1013929085
117954145
1247b8991
132b69081
141bc82a9
15135220a
hexd48a7d

13929085 has 8 divisors (see below), whose sum is σ = 16735320. Its totient is φ = 11129664.

The previous prime is 13929079. The next prime is 13929101. The reversal of 13929085 is 58092931.

It can be written as a sum of positive squares in 4 ways, for example, as 9972964 + 3956121 = 3158^2 + 1989^2 .

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 13929085 - 211 = 13927037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851 + ... + 7879.

It is an arithmetic number, because the mean of its divisors is an integer number (2091915).

Almost surely, 213929085 is an apocalyptic number.

It is an amenable number.

13929085 is a deficient number, since it is larger than the sum of its proper divisors (2806235).

13929085 is a wasteful number, since it uses less digits than its factorization.

13929085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 13929085 is about 3732.1689404420. The cubic root of 13929085 is about 240.6065963324.

The spelling of 13929085 in words is "thirteen million, nine hundred twenty-nine thousand, eighty-five".

Divisors: 1 5 1373 2029 6865 10145 2785817 13929085