Base | Representation |
---|---|
bin | 11110010110001… |
… | …10101000011001 |
3 | 122202000102222221 |
4 | 33023012220121 |
5 | 1010132201420 |
6 | 41132144041 |
7 | 6210541426 |
oct | 1713065031 |
9 | 582012887 |
10 | 254568985 |
11 | 1207744a0 |
12 | 71308021 |
13 | 40982248 |
14 | 25b48d4d |
15 | 17537caa |
hex | f2c6a19 |
254568985 has 16 divisors (see below), whose sum is σ = 336560832. Its totient is φ = 183304000.
The previous prime is 254568983. The next prime is 254568997. The reversal of 254568985 is 589865452.
254568985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 254568985 - 21 = 254568983 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (254568983) 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, 17359 + ... + 28468.
It is an arithmetic number, because the mean of its divisors is an integer number (21035052).
Almost surely, 2254568985 is an apocalyptic number.
It is an amenable number.
254568985 is a deficient number, since it is larger than the sum of its proper divisors (81991847).
254568985 is a wasteful number, since it uses less digits than its factorization.
254568985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45944.
The product of its digits is 3456000, while the sum is 52.
The square root of 254568985 is about 15955.2181119532. The cubic root of 254568985 is about 633.7750871548.
The spelling of 254568985 in words is "two hundred fifty-four million, five hundred sixty-eight thousand, nine hundred eighty-five".
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