Base | Representation |
---|---|
bin | 1111101001001… |
… | …11001101000000 |
3 | 100010221022020210 |
4 | 13310213031000 |
5 | 232043420301 |
6 | 21004434120 |
7 | 3152313156 |
oct | 764471500 |
9 | 303838223 |
10 | 131232576 |
11 | 68093a82 |
12 | 37b48940 |
13 | 2125a817 |
14 | 136013d6 |
15 | b7c3ad6 |
hex | 7d27340 |
131232576 has 28 divisors (see below), whose sum is σ = 347220032. Its totient is φ = 43744128.
The previous prime is 131232553. The next prime is 131232581. The reversal of 131232576 is 675232131.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341560 + ... + 341943.
Almost surely, 2131232576 is an apocalyptic number.
131232576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
131232576 is an abundant number, since it is smaller than the sum of its proper divisors (215987456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131232576 is an equidigital number, since it uses as much as digits as its factorization.
131232576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683518 (or 683508 counting only the distinct ones).
The product of its digits is 7560, while the sum is 30.
The square root of 131232576 is about 11455.6787664459. The cubic root of 131232576 is about 508.1756889168.
The spelling of 131232576 in words is "one hundred thirty-one million, two hundred thirty-two thousand, five hundred seventy-six".
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