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13738829 = 131056833
BaseRepresentation
bin110100011010…
…001101001101
3221212000010112
4310122031031
512004120304
61210245405
7224530616
oct64321515
927760115
1013738829
117834205
124726865
132b005b0
141b78c0d
151315b6e
hexd1a34d

13738829 has 4 divisors (see below), whose sum is σ = 14795676. Its totient is φ = 12681984.

The previous prime is 13738717. The next prime is 13738849. The reversal of 13738829 is 92883731.

13738829 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 4313929 = 3070^2 + 2077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13738829 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 (13738849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528404 + ... + 528429.

It is an arithmetic number, because the mean of its divisors is an integer number (3698919).

Almost surely, 213738829 is an apocalyptic number.

It is an amenable number.

13738829 is a deficient number, since it is larger than the sum of its proper divisors (1056847).

13738829 is a wasteful number, since it uses less digits than its factorization.

13738829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056846.

The product of its digits is 72576, while the sum is 41.

The square root of 13738829 is about 3706.5926401481. The cubic root of 13738829 is about 239.5060965465.

The spelling of 13738829 in words is "thirteen million, seven hundred thirty-eight thousand, eight hundred twenty-nine".

Divisors: 1 13 1056833 13738829