Base | Representation |
---|---|
bin | 1111101100000… |
… | …01101100111100 |
3 | 100011122010201211 |
4 | 13312001230330 |
5 | 232142301020 |
6 | 21020414204 |
7 | 3155415655 |
oct | 766015474 |
9 | 304563654 |
10 | 131603260 |
11 | 68317528 |
12 | 380a7364 |
13 | 2135a469 |
14 | 1369a52c |
15 | b84885a |
hex | 7d81b3c |
131603260 has 12 divisors (see below), whose sum is σ = 276366888. Its totient is φ = 52641296.
The previous prime is 131603231. The next prime is 131603261. The reversal of 131603260 is 62306131.
It is a super-3 number, since 3×1316032603 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131603261) 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, 3290062 + ... + 3290101.
It is an arithmetic number, because the mean of its divisors is an integer number (23030574).
Almost surely, 2131603260 is an apocalyptic number.
131603260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131603260 is an abundant number, since it is smaller than the sum of its proper divisors (144763628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131603260 is a wasteful number, since it uses less digits than its factorization.
131603260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6580172 (or 6580170 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 131603260 is about 11471.8464076190. The cubic root of 131603260 is about 508.6537092361.
Adding to 131603260 its reverse (62306131), we get a palindrome (193909391).
The spelling of 131603260 in words is "one hundred thirty-one million, six hundred three thousand, two hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •