Base | Representation |
---|---|
bin | 1111101001001… |
… | …11010100011010 |
3 | 100010221022220100 |
4 | 13310213110122 |
5 | 232043424200 |
6 | 21004440230 |
7 | 3152314434 |
oct | 764472432 |
9 | 303838810 |
10 | 131233050 |
11 | 68094373 |
12 | 37b49076 |
13 | 2125aac0 |
14 | 13601654 |
15 | b7c3d00 |
hex | 7d2751a |
131233050 has 72 divisors (see below), whose sum is σ = 379717884. Its totient is φ = 32302080.
The previous prime is 131233031. The next prime is 131233061. The reversal of 131233050 is 50332131.
It can be written as a sum of positive squares in 6 ways, for example, as 52751169 + 78481881 = 7263^2 + 8859^2 .
It is a super-2 number, since 2×1312330502 = 34444226824605000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5367 + ... + 17066.
Almost surely, 2131233050 is an apocalyptic number.
131233050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131233050 is an abundant number, since it is smaller than the sum of its proper divisors (248484834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131233050 is a wasteful number, since it uses less digits than its factorization.
131233050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22464 (or 22456 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 131233050 is about 11455.6994548565. The cubic root of 131233050 is about 508.1763007440.
Adding to 131233050 its reverse (50332131), we get a palindrome (181565181).
The spelling of 131233050 in words is "one hundred thirty-one million, two hundred thirty-three thousand, fifty".
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