Base | Representation |
---|---|
bin | 1111101110000… |
… | …11110110010010 |
3 | 100012010220101102 |
4 | 13313003312102 |
5 | 232224433234 |
6 | 21030304402 |
7 | 3160624604 |
oct | 767036622 |
9 | 305126342 |
10 | 131874194 |
11 | 68492041 |
12 | 381b8102 |
13 | 2142388a |
14 | 1372b174 |
15 | b89dc7e |
hex | 7dc3d92 |
131874194 has 8 divisors (see below), whose sum is σ = 204632460. Its totient is φ = 63663376.
The previous prime is 131874161. The next prime is 131874199. The reversal of 131874194 is 491478131.
It can be written as a sum of positive squares in 2 ways, for example, as 119093569 + 12780625 = 10913^2 + 3575^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131874199) 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, 1136789 + ... + 1136904.
Almost surely, 2131874194 is an apocalyptic number.
131874194 is a deficient number, since it is larger than the sum of its proper divisors (72758266).
131874194 is a wasteful number, since it uses less digits than its factorization.
131874194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2273724.
The product of its digits is 24192, while the sum is 38.
The square root of 131874194 is about 11483.6489845345. The cubic root of 131874194 is about 509.0025281543.
The spelling of 131874194 in words is "one hundred thirty-one million, eight hundred seventy-four thousand, one hundred ninety-four".
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