Base | Representation |
---|---|
bin | 1010101111011… |
… | …1010011010100 |
3 | 10010202221021211 |
4 | 2223313103110 |
5 | 43013200030 |
6 | 4245351204 |
7 | 1054642156 |
oct | 253672324 |
9 | 103687254 |
10 | 45053140 |
11 | 23482100 |
12 | 13108504 |
13 | 9445882 |
14 | 5daaad6 |
15 | 3e4e12a |
hex | 2af74d4 |
45053140 has 36 divisors (see below), whose sum is σ = 104000148. Its totient is φ = 16382080.
The previous prime is 45053131. The next prime is 45053143. The reversal of 45053140 is 4135054.
45053140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 32970564 + 12082576 = 5742^2 + 3476^2 .
It is a Harshad number since it is a multiple of its sum of digits (22).
45053140 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45053143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6889 + ... + 11728.
It is an arithmetic number, because the mean of its divisors is an integer number (2888893).
Almost surely, 245053140 is an apocalyptic number.
It is an amenable number.
45053140 is an abundant number, since it is smaller than the sum of its proper divisors (58947008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45053140 is a wasteful number, since it uses less digits than its factorization.
45053140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18648 (or 18635 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 45053140 is about 6712.1635856108. The cubic root of 45053140 is about 355.8292852325.
Adding to 45053140 its reverse (4135054), we get a palindrome (49188194).
The spelling of 45053140 in words is "forty-five million, fifty-three thousand, one hundred forty".
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