Base | Representation |
---|---|
bin | 1010000101110… |
… | …01010010001001 |
3 | 12220021102010001 |
4 | 11002321102021 |
5 | 133132120001 |
6 | 12222123001 |
7 | 2045320300 |
oct | 502712211 |
9 | 186242101 |
10 | 84645001 |
11 | 43864051 |
12 | 24420461 |
13 | 146c86cc |
14 | b355437 |
15 | 7670001 |
hex | 50b9489 |
84645001 has 12 divisors (see below), whose sum is σ = 98628240. Its totient is φ = 72432360.
The previous prime is 84644947. The next prime is 84645047. The reversal of 84645001 is 10054648.
It is not a de Polignac number, because 84645001 - 211 = 84642953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (84645901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41086 + ... + 43096.
It is an arithmetic number, because the mean of its divisors is an integer number (8219020).
Almost surely, 284645001 is an apocalyptic number.
It is an amenable number.
84645001 is a deficient number, since it is larger than the sum of its proper divisors (13983239).
84645001 is a wasteful number, since it uses less digits than its factorization.
84645001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2884 (or 2877 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 84645001 is about 9200.2717894636. The cubic root of 84645001 is about 439.0700071520.
Adding to 84645001 its reverse (10054648), we get a palindrome (94699649).
The spelling of 84645001 in words is "eighty-four million, six hundred forty-five thousand, one".
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