Search a number
-
+
13766079 = 34588693
BaseRepresentation
bin110100100000…
…110110111111
3221220101111210
4310200312333
512011003304
61211015503
7225003225
oct64406677
927811453
1013766079
117852728
12473a593
132b0cb12
141b84b15
15131dc89
hexd20dbf

13766079 has 4 divisors (see below), whose sum is σ = 18354776. Its totient is φ = 9177384.

The previous prime is 13766059. The next prime is 13766083. The reversal of 13766079 is 97066731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97066731 = 332355577.

It is not a de Polignac number, because 13766079 - 27 = 13765951 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 (13766009) 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, 2294344 + ... + 2294349.

It is an arithmetic number, because the mean of its divisors is an integer number (4588694).

Almost surely, 213766079 is an apocalyptic number.

13766079 is a deficient number, since it is larger than the sum of its proper divisors (4588697).

13766079 is an equidigital number, since it uses as much as digits as its factorization.

13766079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588696.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 13766079 is about 3710.2667020040. The cubic root of 13766079 is about 239.6643397976.

The spelling of 13766079 in words is "thirteen million, seven hundred sixty-six thousand, seventy-nine".

Divisors: 1 3 4588693 13766079