Base | Representation |
---|---|
bin | 1000001111000… |
… | …0110001100101 |
3 | 2101222211212011 |
4 | 2003300301211 |
5 | 32320300040 |
6 | 3232154221 |
7 | 566406406 |
oct | 203606145 |
9 | 71884764 |
10 | 34540645 |
11 | 18551997 |
12 | b698971 |
13 | 7204969 |
14 | 48319ad |
15 | 30743ea |
hex | 20f0c65 |
34540645 has 8 divisors (see below), whose sum is σ = 41501304. Its totient is φ = 27597504.
The previous prime is 34540609. The next prime is 34540657. The reversal of 34540645 is 54604543.
It can be written as a sum of positive squares in 4 ways, for example, as 3381921 + 31158724 = 1839^2 + 5582^2 .
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 34540645 - 29 = 34540133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 447 + ... + 8323.
It is an arithmetic number, because the mean of its divisors is an integer number (5187663).
Almost surely, 234540645 is an apocalyptic number.
It is an amenable number.
34540645 is a deficient number, since it is larger than the sum of its proper divisors (6960659).
34540645 is an equidigital number, since it uses as much as digits as its factorization.
34540645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8759.
The product of its (nonzero) digits is 28800, while the sum is 31.
The square root of 34540645 is about 5877.1289759542. The cubic root of 34540645 is about 325.6692952834.
The spelling of 34540645 in words is "thirty-four million, five hundred forty thousand, six hundred forty-five".
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