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13829743 = 77317891
BaseRepresentation
bin110100110000…
…011001101111
3222000121211201
4310300121233
512020022433
61212230331
7225356644
oct64603157
928017751
1013829743
117896544
12476b3a7
132b32aa5
141b9ddcb
151332a7d
hexd3066f

13829743 has 4 divisors (see below), whose sum is σ = 13848408. Its totient is φ = 13811080.

The previous prime is 13829741. The next prime is 13829773. The reversal of 13829743 is 34792831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13829743 - 21 = 13829741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8173 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (3462102).

Almost surely, 213829743 is an apocalyptic number.

13829743 is a deficient number, since it is larger than the sum of its proper divisors (18665).

13829743 is an equidigital number, since it uses as much as digits as its factorization.

13829743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664.

The product of its digits is 36288, while the sum is 37.

The square root of 13829743 is about 3718.8362426974. The cubic root of 13829743 is about 240.0332303524.

The spelling of 13829743 in words is "thirteen million, eight hundred twenty-nine thousand, seven hundred forty-three".

Divisors: 1 773 17891 13829743