Base | Representation |
---|---|
bin | 1111101010011… |
… | …10101000000000 |
3 | 100011020111202020 |
4 | 13311032220000 |
5 | 232114102143 |
6 | 21012121440 |
7 | 3153555012 |
oct | 765165000 |
9 | 304214666 |
10 | 131394048 |
11 | 68194325 |
12 | 38006280 |
13 | 212b6176 |
14 | 136441b2 |
15 | b806883 |
hex | 7d4ea00 |
131394048 has 80 divisors (see below), whose sum is σ = 353254176. Its totient is φ = 43397120.
The previous prime is 131394047. The next prime is 131394083. The reversal of 131394048 is 840493131.
It is not an unprimeable number, because it can be changed into a prime (131394047) 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, 200890 + ... + 201542.
Almost surely, 2131394048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131394048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176627088).
131394048 is an abundant number, since it is smaller than the sum of its proper divisors (221860128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131394048 is an equidigital number, since it uses as much as digits as its factorization.
131394048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 805 (or 789 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 131394048 is about 11462.7242835200. The cubic root of 131394048 is about 508.3840277192.
The spelling of 131394048 in words is "one hundred thirty-one million, three hundred ninety-four thousand, forty-eight".
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