Search a number
-
+
13798686 = 2311209071
BaseRepresentation
bin110100101000…
…110100011110
3221222001020110
4310220310132
512013024221
61211430450
7225200256
oct64506436
927861213
1013798686
117875180
124755426
132b21905
141b92966
151328776
hexd28d1e

13798686 has 16 divisors (see below), whose sum is σ = 30106368. Its totient is φ = 4181400.

The previous prime is 13798663. The next prime is 13798699. The reversal of 13798686 is 68689731.

13798686 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104470 + ... + 104601.

It is an arithmetic number, because the mean of its divisors is an integer number (1881648).

Almost surely, 213798686 is an apocalyptic number.

13798686 is an abundant number, since it is smaller than the sum of its proper divisors (16307682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13798686 is a wasteful number, since it uses less digits than its factorization.

13798686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209087.

The product of its digits is 435456, while the sum is 48.

The square root of 13798686 is about 3714.6582615363. The cubic root of 13798686 is about 239.8534174358.

The spelling of 13798686 in words is "thirteen million, seven hundred ninety-eight thousand, six hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 209071 418142 627213 1254426 2299781 4599562 6899343 13798686