Base | Representation |
---|---|
bin | 1111101110101… |
… | …11111001101100 |
3 | 100012022002001120 |
4 | 13313113321230 |
5 | 232240100312 |
6 | 21032140540 |
7 | 3161416224 |
oct | 767277154 |
9 | 305262046 |
10 | 131956332 |
11 | 68538822 |
12 | 38237750 |
13 | 21452091 |
14 | 1374d084 |
15 | b8b828c |
hex | 7dd7e6c |
131956332 has 24 divisors (see below), whose sum is σ = 313118400. Its totient is φ = 43239696.
The previous prime is 131956301. The next prime is 131956339. The reversal of 131956332 is 233659131.
It is a junction number, because it is equal to n+sod(n) for n = 131956293 and 131956302.
It is not an unprimeable number, because it can be changed into a prime (131956339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92482 + ... + 93897.
It is an arithmetic number, because the mean of its divisors is an integer number (13046600).
Almost surely, 2131956332 is an apocalyptic number.
131956332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131956332 is an abundant number, since it is smaller than the sum of its proper divisors (181162068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131956332 is a wasteful number, since it uses less digits than its factorization.
131956332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186445 (or 186443 counting only the distinct ones).
The product of its digits is 14580, while the sum is 33.
The square root of 131956332 is about 11487.2247301078. The cubic root of 131956332 is about 509.1081838333.
The spelling of 131956332 in words is "one hundred thirty-one million, nine hundred fifty-six thousand, three hundred thirty-two".
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