Search a number
-
+
12441631 = 79157489
BaseRepresentation
bin101111011101…
…100000011111
3212102002201011
4233131200133
511141113011
61122400051
7210515656
oct57354037
925362634
1012441631
117028644
124200027
132768017
14191c19d
15115b621
hexbdd81f

12441631 has 4 divisors (see below), whose sum is σ = 12599200. Its totient is φ = 12284064.

The previous prime is 12441629. The next prime is 12441661. The reversal of 12441631 is 13614421.

12441631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12441631 - 21 = 12441629 is a prime.

It is a super-2 number, since 2×124416312 = 309588363880322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441601) 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, 78666 + ... + 78823.

It is an arithmetic number, because the mean of its divisors is an integer number (3149800).

Almost surely, 212441631 is an apocalyptic number.

12441631 is a deficient number, since it is larger than the sum of its proper divisors (157569).

12441631 is an equidigital number, since it uses as much as digits as its factorization.

12441631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157568.

The product of its digits is 576, while the sum is 22.

The square root of 12441631 is about 3527.2696239443. The cubic root of 12441631 is about 231.7176447574.

The spelling of 12441631 in words is "twelve million, four hundred forty-one thousand, six hundred thirty-one".

Divisors: 1 79 157489 12441631