Base | Representation |
---|---|
bin | 1111101010101… |
… | …10010010110101 |
3 | 100011022002211200 |
4 | 13311112102311 |
5 | 232121103321 |
6 | 21012523113 |
7 | 3154045416 |
oct | 765262265 |
9 | 304262750 |
10 | 131425461 |
11 | 68205992 |
12 | 38020499 |
13 | 212c755b |
14 | 1365180d |
15 | b810d26 |
hex | 7d564b5 |
131425461 has 24 divisors (see below), whose sum is σ = 196535040. Its totient is φ = 84542400.
The previous prime is 131425457. The next prime is 131425513. The reversal of 131425461 is 164524131.
It is a happy number.
It is not a de Polignac number, because 131425461 - 22 = 131425457 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131425661) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172321 + ... + 173081.
It is an arithmetic number, because the mean of its divisors is an integer number (8188960).
Almost surely, 2131425461 is an apocalyptic number.
It is an amenable number.
131425461 is a deficient number, since it is larger than the sum of its proper divisors (65109579).
131425461 is a wasteful number, since it uses less digits than its factorization.
131425461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 131425461 is about 11464.0944256404. The cubic root of 131425461 is about 508.4245384202.
Adding to 131425461 its reverse (164524131), we get a palindrome (295949592).
The spelling of 131425461 in words is "one hundred thirty-one million, four hundred twenty-five thousand, four hundred sixty-one".
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