Base | Representation |
---|---|
bin | 11110110110110… |
… | …01000111011111 |
3 | 200001001101100220 |
4 | 33123121013133 |
5 | 1012230322012 |
6 | 41403452423 |
7 | 6262044450 |
oct | 1733310737 |
9 | 601041326 |
10 | 258839007 |
11 | 123120639 |
12 | 72827113 |
13 | 4181899b |
14 | 2653b127 |
15 | 17acd08c |
hex | f6d91df |
258839007 has 32 divisors (see below), whose sum is σ = 409274880. Its totient is φ = 142369920.
The previous prime is 258838969. The next prime is 258839029. The reversal of 258839007 is 700938852.
It is not a de Polignac number, because 258839007 - 218 = 258576863 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 258839007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258839047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391257 + ... + 391917.
It is an arithmetic number, because the mean of its divisors is an integer number (12789840).
Almost surely, 2258839007 is an apocalyptic number.
258839007 is a deficient number, since it is larger than the sum of its proper divisors (150435873).
258839007 is a wasteful number, since it uses less digits than its factorization.
258839007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1343.
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 258839007 is about 16088.4743527781. The cubic root of 258839007 is about 637.2990068406.
The spelling of 258839007 in words is "two hundred fifty-eight million, eight hundred thirty-nine thousand, seven".
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