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13829139 = 324732693
BaseRepresentation
bin110100110000…
…010000010011
3222000121000100
4310300100103
512020013024
61212223443
7225355122
oct64602023
928017010
1013829139
117896045
12476ab83
132b3272c
141b9dab9
1513327c9
hexd30413

13829139 has 12 divisors (see below), whose sum is σ = 20401056. Its totient is φ = 9022992.

The previous prime is 13829129. The next prime is 13829149. The reversal of 13829139 is 93192831.

It is an interprime number because it is at equal distance from previous prime (13829129) and next prime (13829149).

It is not a de Polignac number, because 13829139 - 212 = 13825043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13829119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15924 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (1700088).

Almost surely, 213829139 is an apocalyptic number.

13829139 is a deficient number, since it is larger than the sum of its proper divisors (6571917).

13829139 is a wasteful number, since it uses less digits than its factorization.

13829139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32746 (or 32743 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 13829139 is about 3718.7550336100. The cubic root of 13829139 is about 240.0297358989.

The spelling of 13829139 in words is "thirteen million, eight hundred twenty-nine thousand, one hundred thirty-nine".

Divisors: 1 3 9 47 141 423 32693 98079 294237 1536571 4609713 13829139