Base | Representation |
---|---|
bin | 1111101110000… |
… | …11011011011000 |
3 | 100012010211000122 |
4 | 13313003123120 |
5 | 232224404342 |
6 | 21030252412 |
7 | 3160616564 |
oct | 767033330 |
9 | 305124018 |
10 | 131872472 |
11 | 68490816 |
12 | 381b7108 |
13 | 21422b64 |
14 | 1372a6a4 |
15 | b89d4d2 |
hex | 7dc36d8 |
131872472 has 16 divisors (see below), whose sum is σ = 248353560. Its totient is φ = 65644864.
The previous prime is 131872439. The next prime is 131872487. The reversal of 131872472 is 274278131.
It is a congruent number.
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, 34493 + ... + 38124.
Almost surely, 2131872472 is an apocalyptic number.
It is an amenable number.
131872472 is a deficient number, since it is larger than the sum of its proper divisors (116481088).
131872472 is a wasteful number, since it uses less digits than its factorization.
131872472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72850 (or 72846 counting only the distinct ones).
The product of its digits is 18816, while the sum is 35.
The square root of 131872472 is about 11483.5740081213. The cubic root of 131872472 is about 509.0003126433. Note that the first 3 decimals are identical.
The spelling of 131872472 in words is "one hundred thirty-one million, eight hundred seventy-two thousand, four hundred seventy-two".
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