Base | Representation |
---|---|
bin | 1111101001001… |
… | …11100000001000 |
3 | 100010221100221010 |
4 | 13310213200020 |
5 | 232043440200 |
6 | 21004443520 |
7 | 3152316555 |
oct | 764474010 |
9 | 303840833 |
10 | 131233800 |
11 | 68094995 |
12 | 37b495a0 |
13 | 2125b249 |
14 | 13601a2c |
15 | b7c4150 |
hex | 7d27808 |
131233800 has 48 divisors (see below), whose sum is σ = 406826640. Its totient is φ = 34995520.
The previous prime is 131233789. The next prime is 131233813. The reversal of 131233800 is 8332131.
It is a happy number.
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, 108762 + ... + 109961.
It is an arithmetic number, because the mean of its divisors is an integer number (8475555).
Almost surely, 2131233800 is an apocalyptic number.
131233800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131233800 is an abundant number, since it is smaller than the sum of its proper divisors (275592840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131233800 is a wasteful number, since it uses less digits than its factorization.
131233800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218742 (or 218733 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 131233800 is about 11455.7321896071. The cubic root of 131233800 is about 508.1772688221.
Adding to 131233800 its reverse (8332131), we get a palindrome (139565931).
The spelling of 131233800 in words is "one hundred thirty-one million, two hundred thirty-three thousand, eight hundred".
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