Base | Representation |
---|---|
bin | 1010111100011… |
… | …1010001111001 |
3 | 10012101012211211 |
4 | 2233013101321 |
5 | 43222430032 |
6 | 4315523121 |
7 | 1065120604 |
oct | 257072171 |
9 | 105335754 |
10 | 45905017 |
11 | 23a04134 |
12 | 134594a1 |
13 | 9683542 |
14 | 614d33b |
15 | 406b747 |
hex | 2bc7479 |
45905017 has 8 divisors (see below), whose sum is σ = 47532800. Its totient is φ = 44286480.
The previous prime is 45904939. The next prime is 45905021. The reversal of 45905017 is 71050954.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-45905017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 45905017.
It is not an unprimeable number, because it can be changed into a prime (45905047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8698 + ... + 12940.
It is an arithmetic number, because the mean of its divisors is an integer number (5941600).
Almost surely, 245905017 is an apocalyptic number.
It is an amenable number.
45905017 is a deficient number, since it is larger than the sum of its proper divisors (1627783).
45905017 is a wasteful number, since it uses less digits than its factorization.
45905017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4623.
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 45905017 is about 6775.3241250880. The cubic root of 45905017 is about 358.0580022123.
The spelling of 45905017 in words is "forty-five million, nine hundred five thousand, seventeen".
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