Base | Representation |
---|---|
bin | 1111101100101… |
… | …00000111010010 |
3 | 100011202222011221 |
4 | 13312110013102 |
5 | 232202204144 |
6 | 21022155254 |
7 | 3156151561 |
oct | 766240722 |
9 | 304688157 |
10 | 131678674 |
11 | 68369156 |
12 | 38122b2a |
13 | 2138589a |
14 | 136b9bd8 |
15 | b860d84 |
hex | 7d941d2 |
131678674 has 8 divisors (see below), whose sum is σ = 199266300. Its totient is φ = 65256576.
The previous prime is 131678663. The next prime is 131678713. The reversal of 131678674 is 476876131.
It can be written as a sum of positive squares in 2 ways, for example, as 114811225 + 16867449 = 10715^2 + 4107^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 131678674.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291099 + ... + 291550.
Almost surely, 2131678674 is an apocalyptic number.
131678674 is a deficient number, since it is larger than the sum of its proper divisors (67587626).
131678674 is a wasteful number, since it uses less digits than its factorization.
131678674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582764.
The product of its digits is 169344, while the sum is 43.
The square root of 131678674 is about 11475.1328532614. The cubic root of 131678674 is about 508.7508504112.
The spelling of 131678674 in words is "one hundred thirty-one million, six hundred seventy-eight thousand, six hundred seventy-four".
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