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13818829 is a prime number
BaseRepresentation
bin110100101101…
…101111001101
3222000001212111
4310231233031
512014200304
61212104021
7225313063
oct64555715
928001774
1013818829
117889322
124765011
132b2ab2b
141b9a033
15132e704
hexd2dbcd

13818829 has 2 divisors, whose sum is σ = 13818830. Its totient is φ = 13818828.

The previous prime is 13818821. The next prime is 13818853. The reversal of 13818829 is 92881831.

13818829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 4848804 = 2995^2 + 2202^2 .

It is a cyclic number.

It is not a de Polignac number, because 13818829 - 23 = 13818821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13818791 and 13818800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13818821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909414 + 6909415.

It is an arithmetic number, because the mean of its divisors is an integer number (6909415).

Almost surely, 213818829 is an apocalyptic number.

It is an amenable number.

13818829 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818829 is an equidigital number, since it uses as much as digits as its factorization.

13818829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 40.

The square root of 13818829 is about 3717.3685585371. The cubic root of 13818829 is about 239.9700714995.

The spelling of 13818829 in words is "thirteen million, eight hundred eighteen thousand, eight hundred twenty-nine".