Base | Representation |
---|---|
bin | 1010101110110… |
… | …0011001001001 |
3 | 10010200122222220 |
4 | 2223230121021 |
5 | 43010232312 |
6 | 4244404253 |
7 | 1054364664 |
oct | 253543111 |
9 | 103618886 |
10 | 45008457 |
11 | 2345157a |
12 | 130a6689 |
13 | 942b430 |
14 | 5d986db |
15 | 3e40c8c |
hex | 2aec649 |
45008457 has 16 divisors (see below), whose sum is σ = 65358720. Its totient is φ = 27384192.
The previous prime is 45008449. The next prime is 45008459. The reversal of 45008457 is 75480054.
45008457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 45008457 - 23 = 45008449 is a prime.
It is a super-2 number, since 2×450084572 = 4051522403041698, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (45008459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 9954.
It is an arithmetic number, because the mean of its divisors is an integer number (4084920).
Almost surely, 245008457 is an apocalyptic number.
It is an amenable number.
45008457 is a deficient number, since it is larger than the sum of its proper divisors (20350263).
45008457 is a wasteful number, since it uses less digits than its factorization.
45008457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13072.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 45008457 is about 6708.8342504492. The cubic root of 45008457 is about 355.7116110138.
The spelling of 45008457 in words is "forty-five million, eight thousand, four hundred fifty-seven".
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