Base | Representation |
---|---|
bin | 1111101100100… |
… | …10010011010000 |
3 | 100011202120222220 |
4 | 13312102103100 |
5 | 232201434443 |
6 | 21022101040 |
7 | 3156121122 |
oct | 766222320 |
9 | 304676886 |
10 | 131671248 |
11 | 68363615 |
12 | 3811a780 |
13 | 213823a7 |
14 | 136b7212 |
15 | b85da83 |
hex | 7d924d0 |
131671248 has 40 divisors (see below), whose sum is σ = 342650688. Its totient is φ = 43567872.
The previous prime is 131671247. The next prime is 131671249. The reversal of 131671248 is 842176131.
It is an interprime number because it is at equal distance from previous prime (131671247) and next prime (131671249).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131671247) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3436 + ... + 16587.
Almost surely, 2131671248 is an apocalyptic number.
It is an amenable number.
131671248 is an abundant number, since it is smaller than the sum of its proper divisors (210979440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131671248 is a wasteful number, since it uses less digits than its factorization.
131671248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20171 (or 20165 counting only the distinct ones).
The product of its digits is 8064, while the sum is 33.
The square root of 131671248 is about 11474.8092794608. The cubic root of 131671248 is about 508.7412865876.
The spelling of 131671248 in words is "one hundred thirty-one million, six hundred seventy-one thousand, two hundred forty-eight".
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