Base | Representation |
---|---|
bin | 11110110111010… |
… | …01001011100001 |
3 | 200001011201121201 |
4 | 33123221023201 |
5 | 1012234423201 |
6 | 41405121201 |
7 | 6262440331 |
oct | 1733511341 |
9 | 601151551 |
10 | 258904801 |
11 | 123166011 |
12 | 72859201 |
13 | 4183c90c |
14 | 265570c1 |
15 | 17ae2801 |
hex | f6e92e1 |
258904801 has 4 divisors (see below), whose sum is σ = 263149204. Its totient is φ = 254660400.
The previous prime is 258904733. The next prime is 258904823. The reversal of 258904801 is 108409852.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 134560000 + 124344801 = 11600^2 + 11151^2 .
It is a cyclic number.
It is not a de Polignac number, because 258904801 - 211 = 258902753 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (258904831) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122110 + ... + 2122231.
It is an arithmetic number, because the mean of its divisors is an integer number (65787301).
Almost surely, 2258904801 is an apocalyptic number.
It is an amenable number.
258904801 is a deficient number, since it is larger than the sum of its proper divisors (4244403).
258904801 is an equidigital number, since it uses as much as digits as its factorization.
258904801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4244402.
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 258904801 is about 16090.5189785787. The cubic root of 258904801 is about 637.3530003752.
The spelling of 258904801 in words is "two hundred fifty-eight million, nine hundred four thousand, eight hundred one".
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