Base | Representation |
---|---|
bin | 11110110111101… |
… | …01001010100101 |
3 | 200001021012221221 |
4 | 33123311022211 |
5 | 1012243011033 |
6 | 41410140341 |
7 | 6263033422 |
oct | 1733651245 |
9 | 601235857 |
10 | 258953893 |
11 | 123199990 |
12 | 728816b1 |
13 | 41859073 |
14 | 2656ad49 |
15 | 17b0212d |
hex | f6f52a5 |
258953893 has 4 divisors (see below), whose sum is σ = 282495168. Its totient is φ = 235412620.
The previous prime is 258953867. The next prime is 258953899. The reversal of 258953893 is 398359852.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-258953893 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 258953893.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258953899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11770621 + ... + 11770642.
It is an arithmetic number, because the mean of its divisors is an integer number (70623792).
Almost surely, 2258953893 is an apocalyptic number.
It is an amenable number.
258953893 is a deficient number, since it is larger than the sum of its proper divisors (23541275).
258953893 is a wasteful number, since it uses less digits than its factorization.
258953893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23541274.
The product of its digits is 2332800, while the sum is 52.
The square root of 258953893 is about 16092.0444008833. The cubic root of 258953893 is about 637.3932815338.
The spelling of 258953893 in words is "two hundred fifty-eight million, nine hundred fifty-three thousand, eight hundred ninety-three".
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