Base | Representation |
---|---|
bin | 1111101010000… |
… | …10001010111100 |
3 | 100011010220202220 |
4 | 13311002022330 |
5 | 232110434121 |
6 | 21011045340 |
7 | 3153253206 |
oct | 765021274 |
9 | 304126686 |
10 | 131343036 |
11 | 68159a70 |
12 | 37ba0850 |
13 | 21298b96 |
14 | 1362d776 |
15 | b7e66c6 |
hex | 7d422bc |
131343036 has 24 divisors (see below), whose sum is σ = 334328064. Its totient is φ = 39800880.
The previous prime is 131343031. The next prime is 131343073. The reversal of 131343036 is 630343131.
It is a junction number, because it is equal to n+sod(n) for n = 131342997 and 131343015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131343031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497380 + ... + 497643.
It is an arithmetic number, because the mean of its divisors is an integer number (13930336).
Almost surely, 2131343036 is an apocalyptic number.
It is an amenable number.
131343036 is an abundant number, since it is smaller than the sum of its proper divisors (202985028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131343036 is a wasteful number, since it uses less digits than its factorization.
131343036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 995041 (or 995039 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
The square root of 131343036 is about 11460.4989420182. The cubic root of 131343036 is about 508.3182280799.
Adding to 131343036 its reverse (630343131), we get a palindrome (761686167).
The spelling of 131343036 in words is "one hundred thirty-one million, three hundred forty-three thousand, thirty-six".
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