Base | Representation |
---|---|
bin | 1111101000010… |
… | …11110101000100 |
3 | 100010201121110001 |
4 | 13310023311010 |
5 | 232031323302 |
6 | 21002211044 |
7 | 3151335241 |
oct | 764136504 |
9 | 303647401 |
10 | 131120452 |
11 | 68017811 |
12 | 37ab3a84 |
13 | 2121b788 |
14 | 135b25c8 |
15 | b7a0787 |
hex | 7d0bd44 |
131120452 has 24 divisors (see below), whose sum is σ = 243272960. Its totient is φ = 61728480.
The previous prime is 131120417. The next prime is 131120453. The reversal of 131120452 is 254021131.
It is not an unprimeable number, because it can be changed into a prime (131120453) 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, 9702 + ... + 18877.
Almost surely, 2131120452 is an apocalyptic number.
It is an amenable number.
131120452 is a deficient number, since it is larger than the sum of its proper divisors (112152508).
131120452 is a wasteful number, since it uses less digits than its factorization.
131120452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28651 (or 28649 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 131120452 is about 11450.7839032968. The cubic root of 131120452 is about 508.0309206797.
Adding to 131120452 its reverse (254021131), we get a palindrome (385141583).
The spelling of 131120452 in words is "one hundred thirty-one million, one hundred twenty thousand, four hundred fifty-two".
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