Base | Representation |
---|---|
bin | 1111101010100… |
… | …11001101101100 |
3 | 100011021110112101 |
4 | 13311103031230 |
5 | 232120202334 |
6 | 21012344444 |
7 | 3153663553 |
oct | 765231554 |
9 | 304243471 |
10 | 131412844 |
11 | 681a7462 |
12 | 38015124 |
13 | 212c18a4 |
14 | 1364ad9a |
15 | b80c214 |
hex | 7d5336c |
131412844 has 24 divisors (see below), whose sum is σ = 238267008. Its totient is φ = 63352320.
The previous prime is 131412829. The next prime is 131412881. The reversal of 131412844 is 448214131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34524 + ... + 38140.
It is an arithmetic number, because the mean of its divisors is an integer number (9927792).
Almost surely, 2131412844 is an apocalyptic number.
It is an amenable number.
131412844 is a deficient number, since it is larger than the sum of its proper divisors (106854164).
131412844 is a wasteful number, since it uses less digits than its factorization.
131412844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3945 (or 3943 counting only the distinct ones).
The product of its digits is 3072, while the sum is 28.
The square root of 131412844 is about 11463.5441291077. The cubic root of 131412844 is about 508.4082681134.
Adding to 131412844 its reverse (448214131), we get a palindrome (579626975).
The spelling of 131412844 in words is "one hundred thirty-one million, four hundred twelve thousand, eight hundred forty-four".
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