Base | Representation |
---|---|
bin | 1010110101100… |
… | …1001011000100 |
3 | 10011112022012020 |
4 | 2231121023010 |
5 | 43114012040 |
6 | 4302123140 |
7 | 1061232003 |
oct | 255311304 |
9 | 104468166 |
10 | 45454020 |
11 | 23726307 |
12 | 132804b0 |
13 | 9556191 |
14 | 6072c3a |
15 | 3ecccd0 |
hex | 2b592c4 |
45454020 has 96 divisors (see below), whose sum is σ = 133297920. Its totient is φ = 11558400.
The previous prime is 45454001. The next prime is 45454021. The reversal of 45454020 is 2045454.
It is not an unprimeable number, because it can be changed into a prime (45454021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262654 + ... + 262826.
It is an arithmetic number, because the mean of its divisors is an integer number (1388520).
Almost surely, 245454020 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 45454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66648960).
45454020 is an abundant number, since it is smaller than the sum of its proper divisors (87843900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45454020 is a wasteful number, since it uses less digits than its factorization.
45454020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365 (or 363 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 45454020 is about 6741.9596557678. The cubic root of 45454020 is about 356.8815525576.
Adding to 45454020 its reverse (2045454), we get a palindrome (47499474).
The spelling of 45454020 in words is "forty-five million, four hundred fifty-four thousand, twenty".
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