Search a number
-
+
13786068 = 2231148839
BaseRepresentation
bin110100100101…
…101111010100
3221221101221010
4310211233110
512012123233
61211252220
7225115422
oct64455724
927841833
1013786068
11786674a
12474a070
132b18c4a
141b8c112
151324b63
hexd25bd4

13786068 has 12 divisors (see below), whose sum is σ = 32167520. Its totient is φ = 4595352.

The previous prime is 13786067. The next prime is 13786079. The reversal of 13786068 is 86068731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786063) 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, 574408 + ... + 574431.

Almost surely, 213786068 is an apocalyptic number.

It is an amenable number.

13786068 is an abundant number, since it is smaller than the sum of its proper divisors (18381452).

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

13786068 is a wasteful number, since it uses less digits than its factorization.

13786068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148846 (or 1148844 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 13786068 is about 3712.9594665172. The cubic root of 13786068 is about 239.7802850280.

The spelling of 13786068 in words is "thirteen million, seven hundred eighty-six thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 1148839 2297678 3446517 4595356 6893034 13786068