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13809022 = 21492311
BaseRepresentation
bin110100101011…
…010101111110
3221222120102021
4310223111332
512013342042
61211550354
7225242353
oct64532576
927876367
1013809022
117881a17
12475b3ba
132b26526
141b9662a
15132b867
hexd2b57e

13809022 has 12 divisors (see below), whose sum is σ = 20920536. Its totient is φ = 6836120.

The previous prime is 13809013. The next prime is 13809031. The reversal of 13809022 is 22090831.

It is an interprime number because it is at equal distance from previous prime (13809013) and next prime (13809031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44247 + ... + 44557.

It is an arithmetic number, because the mean of its divisors is an integer number (1743378).

Almost surely, 213809022 is an apocalyptic number.

13809022 is a deficient number, since it is larger than the sum of its proper divisors (7111514).

13809022 is an equidigital number, since it uses as much as digits as its factorization.

13809022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13809022 is about 3716.0492461753. The cubic root of 13809022 is about 239.9132904357.

Adding to 13809022 its reverse (22090831), we get a palindrome (35899853).

The spelling of 13809022 in words is "thirteen million, eight hundred nine thousand, twenty-two".

Divisors: 1 2 149 298 311 622 22201 44402 46339 92678 6904511 13809022