Base | Representation |
---|---|
bin | 1111100111101… |
… | …10010110000100 |
3 | 100010120010201210 |
4 | 13303312112010 |
5 | 232021014302 |
6 | 21000251420 |
7 | 3150520545 |
oct | 763662604 |
9 | 303503653 |
10 | 131032452 |
11 | 67a67691 |
12 | 37a70b70 |
13 | 211ba6c5 |
14 | 1358c4cc |
15 | b78466c |
hex | 7cf6584 |
131032452 has 12 divisors (see below), whose sum is σ = 305742416. Its totient is φ = 43677480.
The previous prime is 131032441. The next prime is 131032457. The reversal of 131032452 is 254230131.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (131032457) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459674 + ... + 5459697.
Almost surely, 2131032452 is an apocalyptic number.
131032452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131032452 is an abundant number, since it is smaller than the sum of its proper divisors (174709964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131032452 is a wasteful number, since it uses less digits than its factorization.
131032452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10919378 (or 10919376 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 131032452 is about 11446.9407266745. The cubic root of 131032452 is about 507.9172421866.
Adding to 131032452 its reverse (254230131), we get a palindrome (385262583).
The spelling of 131032452 in words is "one hundred thirty-one million, thirty-two thousand, four hundred fifty-two".
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