Base | Representation |
---|---|
bin | 11101010100001… |
… | …11010001110101 |
3 | 122010202002000221 |
4 | 32222013101311 |
5 | 1000423432020 |
6 | 40222534341 |
7 | 6044202340 |
oct | 1652072165 |
9 | 563662027 |
10 | 245920885 |
11 | 1168a8001 |
12 | 6a4373b1 |
13 | 3bc44b22 |
14 | 24937457 |
15 | 168ca6aa |
hex | ea87475 |
245920885 has 16 divisors (see below), whose sum is σ = 339696000. Its totient is φ = 167414976.
The previous prime is 245920859. The next prime is 245920889. The reversal of 245920885 is 588029542.
It is a cyclic number.
It is not a de Polignac number, because 245920885 - 27 = 245920757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245920889) 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, 20410 + ... + 30139.
It is an arithmetic number, because the mean of its divisors is an integer number (21231000).
Almost surely, 2245920885 is an apocalyptic number.
It is an amenable number.
245920885 is a deficient number, since it is larger than the sum of its proper divisors (93775115).
245920885 is a wasteful number, since it uses less digits than its factorization.
245920885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50700.
The product of its (nonzero) digits is 230400, while the sum is 43.
The square root of 245920885 is about 15681.8648444629. The cubic root of 245920885 is about 626.5154775544.
The spelling of 245920885 in words is "two hundred forty-five million, nine hundred twenty thousand, eight hundred eighty-five".
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