Base | Representation |
---|---|
bin | 11110110100000… |
… | …11100000011001 |
3 | 200000101120100102 |
4 | 33122003200121 |
5 | 1012133111340 |
6 | 41352145145 |
7 | 6256054223 |
oct | 1732034031 |
9 | 600346312 |
10 | 258488345 |
11 | 122a01135 |
12 | 726981b5 |
13 | 417251ab |
14 | 26489413 |
15 | 17a5e215 |
hex | f683819 |
258488345 has 8 divisors (see below), whose sum is σ = 314816064. Its totient is φ = 203703984.
The previous prime is 258488341. The next prime is 258488357. The reversal of 258488345 is 543884852.
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 258488345 - 22 = 258488341 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 258488345.
It is not an unprimeable number, because it can be changed into a prime (258488341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385469 + ... + 386138.
It is an arithmetic number, because the mean of its divisors is an integer number (39352008).
Almost surely, 2258488345 is an apocalyptic number.
It is an amenable number.
258488345 is a deficient number, since it is larger than the sum of its proper divisors (56327719).
258488345 is an equidigital number, since it uses as much as digits as its factorization.
258488345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771679.
The product of its digits is 1228800, while the sum is 47.
The square root of 258488345 is about 16077.5727334694. The cubic root of 258488345 is about 637.0110832890.
The spelling of 258488345 in words is "two hundred fifty-eight million, four hundred eighty-eight thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •