Base | Representation |
---|---|
bin | 1010110010010… |
… | …1010000100100 |
3 | 10011010111111200 |
4 | 2230211100210 |
5 | 43040211010 |
6 | 4253402500 |
7 | 1056355032 |
oct | 254452044 |
9 | 104114450 |
10 | 45241380 |
11 | 235a0578 |
12 | 13199430 |
13 | 94b0462 |
14 | 6019552 |
15 | 3e89cc0 |
hex | 2b25424 |
45241380 has 72 divisors (see below), whose sum is σ = 140961912. Its totient is φ = 11736576.
The previous prime is 45241379. The next prime is 45241387. The reversal of 45241380 is 8314254.
45241380 is a `hidden beast` number, since 4 + 524 + 138 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 4485924 + 40755456 = 2118^2 + 6384^2 .
It is not an unprimeable number, because it can be changed into a prime (45241387) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3264 + ... + 10056.
Almost surely, 245241380 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 45241380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70480956).
45241380 is an abundant number, since it is smaller than the sum of its proper divisors (95720532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45241380 is a wasteful number, since it uses less digits than its factorization.
45241380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6845 (or 6840 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 45241380 is about 6726.1712734661. The cubic root of 45241380 is about 356.3241692295.
The spelling of 45241380 in words is "forty-five million, two hundred forty-one thousand, three hundred eighty".
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