Base | Representation |
---|---|
bin | 1111101010100… |
… | …01000111000011 |
3 | 100011021000201020 |
4 | 13311101013003 |
5 | 232114413402 |
6 | 21012240523 |
7 | 3153626463 |
oct | 765210703 |
9 | 304230636 |
10 | 131404227 |
11 | 681a0a39 |
12 | 38010143 |
13 | 212ba9a6 |
14 | 13647ba3 |
15 | b8098bc |
hex | 7d511c3 |
131404227 has 8 divisors (see below), whose sum is σ = 175669440. Its totient is φ = 87370920.
The previous prime is 131404213. The next prime is 131404253. The reversal of 131404227 is 722404131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131404227 - 24 = 131404211 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131404197 and 131404206.
It is not an unprimeable number, because it can be changed into a prime (131404327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56649 + ... + 58922.
It is an arithmetic number, because the mean of its divisors is an integer number (21958680).
Almost surely, 2131404227 is an apocalyptic number.
131404227 is a deficient number, since it is larger than the sum of its proper divisors (44265213).
131404227 is a wasteful number, since it uses less digits than its factorization.
131404227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115953.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 131404227 is about 11463.1682793196. The cubic root of 131404227 is about 508.3971554254.
Adding to 131404227 its reverse (722404131), we get a palindrome (853808358).
The spelling of 131404227 in words is "one hundred thirty-one million, four hundred four thousand, two hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •