Base | Representation |
---|---|
bin | 1010101110111… |
… | …0001101011001 |
3 | 10010201001012110 |
4 | 2223232031121 |
5 | 43011002042 |
6 | 4244502533 |
7 | 1054425453 |
oct | 253561531 |
9 | 103631173 |
10 | 45015897 |
11 | 23457123 |
12 | 130aaa49 |
13 | 9431934 |
14 | 5d9b2d3 |
15 | 3e4309c |
hex | 2aee359 |
45015897 has 4 divisors (see below), whose sum is σ = 60021200. Its totient is φ = 30010596.
The previous prime is 45015877. The next prime is 45015907. The reversal of 45015897 is 79851054.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 45015897 - 211 = 45013849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45015877) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502647 + ... + 7502652.
It is an arithmetic number, because the mean of its divisors is an integer number (15005300).
Almost surely, 245015897 is an apocalyptic number.
It is an amenable number.
45015897 is a deficient number, since it is larger than the sum of its proper divisors (15005303).
45015897 is a wasteful number, since it uses less digits than its factorization.
45015897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15005302.
The product of its (nonzero) digits is 50400, while the sum is 39.
The square root of 45015897 is about 6709.3887202934. The cubic root of 45015897 is about 355.7312099126.
The spelling of 45015897 in words is "forty-five million, fifteen thousand, eight hundred ninety-seven".
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