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13904029 = 192331817
BaseRepresentation
bin110101000010…
…100010011101
3222011101202001
4311002202131
512024412104
61214002301
7226116346
oct65024235
928141661
1013904029
117937337
1247a6391
132b5a849
141bbd0cd
151349aa4
hexd4289d

13904029 has 8 divisors (see below), whose sum is σ = 15272640. Its totient is φ = 12599136.

The previous prime is 13904017. The next prime is 13904039. The reversal of 13904029 is 92040931.

It is a happy number.

13904029 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 13904029 - 29 = 13903517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13903988 and 13904006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15472 + ... + 16345.

It is an arithmetic number, because the mean of its divisors is an integer number (1909080).

Almost surely, 213904029 is an apocalyptic number.

13904029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13904029 is a deficient number, since it is larger than the sum of its proper divisors (1368611).

13904029 is a wasteful number, since it uses less digits than its factorization.

13904029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31859.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13904029 is about 3728.8106682963. The cubic root of 13904029 is about 240.4622399415.

The spelling of 13904029 in words is "thirteen million, nine hundred four thousand, twenty-nine".

Divisors: 1 19 23 437 31817 604523 731791 13904029