Base | Representation |
---|---|
bin | 1010111010101… |
… | …1010010110101 |
3 | 10012011101121100 |
4 | 2232223102311 |
5 | 43210243024 |
6 | 4313240313 |
7 | 1064132451 |
oct | 256532265 |
9 | 105141540 |
10 | 45790389 |
11 | 23935aa7 |
12 | 13403099 |
13 | 9643308 |
14 | 611d661 |
15 | 40477c9 |
hex | 2bab4b5 |
45790389 has 6 divisors (see below), whose sum is σ = 66141686. Its totient is φ = 30526920.
The previous prime is 45790387. The next prime is 45790397. The reversal of 45790389 is 98309754.
It can be written as a sum of positive squares in only one way, i.e., 44756100 + 1034289 = 6690^2 + 1017^2 .
It is not a de Polignac number, because 45790389 - 21 = 45790387 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45790387) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2543902 + ... + 2543919.
Almost surely, 245790389 is an apocalyptic number.
It is an amenable number.
45790389 is a deficient number, since it is larger than the sum of its proper divisors (20351297).
45790389 is a wasteful number, since it uses less digits than its factorization.
45790389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5087827 (or 5087824 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 45790389 is about 6766.8596113707. The cubic root of 45790389 is about 357.7597219397.
The spelling of 45790389 in words is "forty-five million, seven hundred ninety thousand, three hundred eighty-nine".
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