Base | Representation |
---|---|
bin | 1010110111011… |
… | …1100010001100 |
3 | 10011202121210011 |
4 | 2231313202030 |
5 | 43132002010 |
6 | 4304523004 |
7 | 1062260401 |
oct | 255674214 |
9 | 104677704 |
10 | 45578380 |
11 | 23800791 |
12 | 13320464 |
13 | 959a973 |
14 | 60a62a8 |
15 | 4004a8a |
hex | 2b7788c |
45578380 has 24 divisors (see below), whose sum is σ = 95841648. Its totient is φ = 18207168.
The previous prime is 45578329. The next prime is 45578381. The reversal of 45578380 is 8387554.
It is not an unprimeable number, because it can be changed into a prime (45578381) 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, 27742 + ... + 29338.
It is an arithmetic number, because the mean of its divisors is an integer number (3993402).
Almost surely, 245578380 is an apocalyptic number.
It is an amenable number.
45578380 is an abundant number, since it is smaller than the sum of its proper divisors (50263268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45578380 is a wasteful number, since it uses less digits than its factorization.
45578380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3033 (or 3031 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The square root of 45578380 is about 6751.1761938199. The cubic root of 45578380 is about 357.2067264059.
The spelling of 45578380 in words is "forty-five million, five hundred seventy-eight thousand, three hundred eighty".
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