Base | Representation |
---|---|
bin | 1111101110100… |
… | …11100100010000 |
3 | 100012021011200221 |
4 | 13313103210100 |
5 | 232234013301 |
6 | 21031522424 |
7 | 3161313400 |
oct | 767234420 |
9 | 305234627 |
10 | 131938576 |
11 | 68526450 |
12 | 38229414 |
13 | 21446c83 |
14 | 13746800 |
15 | b8b2da1 |
hex | 7dd3910 |
131938576 has 60 divisors (see below), whose sum is σ = 324421200. Its totient is φ = 51401280.
The previous prime is 131938567. The next prime is 131938591. The reversal of 131938576 is 675839131.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975 + ... + 16273.
It is an arithmetic number, because the mean of its divisors is an integer number (5407020).
Almost surely, 2131938576 is an apocalyptic number.
131938576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131938576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162210600).
131938576 is an abundant number, since it is smaller than the sum of its proper divisors (192482624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131938576 is a wasteful number, since it uses less digits than its factorization.
131938576 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15332 (or 15319 counting only the distinct ones).
The product of its digits is 136080, while the sum is 43.
The square root of 131938576 is about 11486.4518455439. The cubic root of 131938576 is about 509.0853476665.
The spelling of 131938576 in words is "one hundred thirty-one million, nine hundred thirty-eight thousand, five hundred seventy-six".
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