[go: up one dir, main page]

Search a number
-
+
13916161 = 71988023
BaseRepresentation
bin110101000101…
…100000000001
3222012000101101
4311011200001
512030304121
61214134401
7226166620
oct65054001
928160341
1013916161
117945466
1247b1401
132b6321c
141bc36b7
15134d491
hexd45801

13916161 has 4 divisors (see below), whose sum is σ = 15904192. Its totient is φ = 11928132.

The previous prime is 13916159. The next prime is 13916167. The reversal of 13916161 is 16161931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13916161 - 21 = 13916159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13916167) 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, 994005 + ... + 994018.

It is an arithmetic number, because the mean of its divisors is an integer number (3976048).

Almost surely, 213916161 is an apocalyptic number.

It is an amenable number.

13916161 is a deficient number, since it is larger than the sum of its proper divisors (1988031).

13916161 is an equidigital number, since it uses as much as digits as its factorization.

13916161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988030.

The product of its digits is 972, while the sum is 28.

The square root of 13916161 is about 3730.4371057558. The cubic root of 13916161 is about 240.5321582798.

The spelling of 13916161 in words is "thirteen million, nine hundred sixteen thousand, one hundred sixty-one".

Divisors: 1 7 1988023 13916161