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13901829 = 341113023
BaseRepresentation
bin110101000010…
…000000000101
3222011021201120
4311002000011
512024324304
61213544153
7226110054
oct65020005
928137646
1013901829
117935717
1247a5059
132b59846
141bbc39b
1513490d9
hexd42005

13901829 has 8 divisors (see below), whose sum is σ = 18988032. Its totient is φ = 9041760.

The previous prime is 13901827. The next prime is 13901831. The reversal of 13901829 is 92810931.

It is an interprime number because it is at equal distance from previous prime (13901827) and next prime (13901831).

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

It is not a de Polignac number, because 13901829 - 21 = 13901827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13901829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56389 + ... + 56634.

It is an arithmetic number, because the mean of its divisors is an integer number (2373504).

Almost surely, 213901829 is an apocalyptic number.

It is an amenable number.

13901829 is a deficient number, since it is larger than the sum of its proper divisors (5086203).

13901829 is a wasteful number, since it uses less digits than its factorization.

13901829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113067.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 13901829 is about 3728.5156563973. The cubic root of 13901829 is about 240.4495566914.

The spelling of 13901829 in words is "thirteen million, nine hundred one thousand, eight hundred twenty-nine".

Divisors: 1 3 41 123 113023 339069 4633943 13901829