Base | Representation |
---|---|
bin | 1111101001011… |
… | …01111101011010 |
3 | 100010222201012202 |
4 | 13310231331122 |
5 | 232100312000 |
6 | 21005210202 |
7 | 3152456642 |
oct | 764557532 |
9 | 303881182 |
10 | 131260250 |
11 | 68102850 |
12 | 37b60962 |
13 | 2126a2b4 |
14 | 1360b522 |
15 | b7cbdd5 |
hex | 7d2df5a |
131260250 has 64 divisors (see below), whose sum is σ = 272937600. Its totient is φ = 46864000.
The previous prime is 131260249. The next prime is 131260271. The reversal of 131260250 is 52062131.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161846 + ... + 162654.
It is an arithmetic number, because the mean of its divisors is an integer number (4264650).
Almost surely, 2131260250 is an apocalyptic number.
131260250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131260250 is an abundant number, since it is smaller than the sum of its proper divisors (141677350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131260250 is a wasteful number, since it uses less digits than its factorization.
131260250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896 (or 886 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 131260250 is about 11456.8865753310. The cubic root of 131260250 is about 508.2114073490.
The spelling of 131260250 in words is "one hundred thirty-one million, two hundred sixty thousand, two hundred fifty".
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