Base | Representation |
---|---|
bin | 1010110011010… |
… | …0111110111101 |
3 | 10011020202212012 |
4 | 2230310332331 |
5 | 43044241124 |
6 | 4255021005 |
7 | 1060043564 |
oct | 254647675 |
9 | 104222765 |
10 | 45305789 |
11 | 23634a01 |
12 | 1320a765 |
13 | 9503879 |
14 | 6034bdb |
15 | 3e9de0e |
hex | 2b34fbd |
45305789 has 8 divisors (see below), whose sum is σ = 46949760. Its totient is φ = 43688736.
The previous prime is 45305749. The next prime is 45305807. The reversal of 45305789 is 98750354.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45305789 - 212 = 45301693 is a prime.
It is a super-2 number, since 2×453057892 = 4105229033825042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45305719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272 + ... + 10065.
It is an arithmetic number, because the mean of its divisors is an integer number (5868720).
Almost surely, 245305789 is an apocalyptic number.
It is an amenable number.
45305789 is a deficient number, since it is larger than the sum of its proper divisors (1643971).
45305789 is a wasteful number, since it uses less digits than its factorization.
45305789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13459.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 45305789 is about 6730.9575098941. The cubic root of 45305789 is about 356.4931855938.
The spelling of 45305789 in words is "forty-five million, three hundred five thousand, seven hundred eighty-nine".
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