Base | Representation |
---|---|
bin | 1010111010101… |
… | …1000000101111 |
3 | 10012011100000110 |
4 | 2232223000233 |
5 | 43210223411 |
6 | 4313231103 |
7 | 1064126205 |
oct | 256530057 |
9 | 105140013 |
10 | 45789231 |
11 | 23935144 |
12 | 13402493 |
13 | 9642927 |
14 | 611d075 |
15 | 40472a6 |
hex | 2bab02f |
45789231 has 16 divisors (see below), whose sum is σ = 63416160. Its totient is φ = 29352960.
The previous prime is 45789217. The next prime is 45789253. The reversal of 45789231 is 13298754.
It is not a de Polignac number, because 45789231 - 27 = 45789103 is a prime.
It is a super-2 number, since 2×457892312 = 4193307351142722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 45789231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45789431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23511 + ... + 25383.
It is an arithmetic number, because the mean of its divisors is an integer number (3963510).
Almost surely, 245789231 is an apocalyptic number.
45789231 is a deficient number, since it is larger than the sum of its proper divisors (17626929).
45789231 is a wasteful number, since it uses less digits than its factorization.
45789231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2186.
The product of its digits is 60480, while the sum is 39.
The square root of 45789231 is about 6766.7740467670. The cubic root of 45789231 is about 357.7567061012.
The spelling of 45789231 in words is "forty-five million, seven hundred eighty-nine thousand, two hundred thirty-one".
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