Base | Representation |
---|---|
bin | 1111101001001… |
… | …10000011001100 |
3 | 100010221001202211 |
4 | 13310212003030 |
5 | 232043242402 |
6 | 21004400204 |
7 | 3152263330 |
oct | 764460314 |
9 | 303831684 |
10 | 131227852 |
11 | 68090478 |
12 | 37b46064 |
13 | 21258622 |
14 | 135dd7c0 |
15 | b7c24d7 |
hex | 7d260cc |
131227852 has 12 divisors (see below), whose sum is σ = 262455760. Its totient is φ = 56240496.
The previous prime is 131227829. The next prime is 131227853. The reversal of 131227852 is 258722131.
131227852 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (131227853) 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 3 ways as a sum of consecutive naturals, for example, 2343327 + ... + 2343382.
Almost surely, 2131227852 is an apocalyptic number.
It is an amenable number.
131227852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131227852 is a wasteful number, since it uses less digits than its factorization.
131227852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4686720 (or 4686718 counting only the distinct ones).
The product of its digits is 6720, while the sum is 31.
The square root of 131227852 is about 11455.4725786412. The cubic root of 131227852 is about 508.1695912165.
Adding to 131227852 its reverse (258722131), we get a palindrome (389949983).
The spelling of 131227852 in words is "one hundred thirty-one million, two hundred twenty-seven thousand, eight hundred fifty-two".
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