Base | Representation |
---|---|
bin | 11110110000011… |
… | …11010100110101 |
3 | 122222111101120101 |
4 | 33120033110311 |
5 | 1012022344334 |
6 | 41334034101 |
7 | 6252032641 |
oct | 1730172465 |
9 | 588441511 |
10 | 258012469 |
11 | 122706650 |
12 | 724a8931 |
13 | 415b9700 |
14 | 263a3c21 |
15 | 179b8214 |
hex | f60f535 |
258012469 has 24 divisors (see below), whose sum is σ = 311375232. Its totient is φ = 211835520.
The previous prime is 258012463. The next prime is 258012497. The reversal of 258012469 is 964210852.
It is not a de Polignac number, because 258012469 - 25 = 258012437 is a prime.
It is a super-2 number, since 2×2580124692 = 133140868318951922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258012463) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85897 + ... + 88849.
It is an arithmetic number, because the mean of its divisors is an integer number (12973968).
Almost surely, 2258012469 is an apocalyptic number.
It is an amenable number.
258012469 is a deficient number, since it is larger than the sum of its proper divisors (53362763).
258012469 is a wasteful number, since it uses less digits than its factorization.
258012469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3037 (or 3024 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 258012469 is about 16062.7665425356. The cubic root of 258012469 is about 636.6199315432.
The spelling of 258012469 in words is "two hundred fifty-eight million, twelve thousand, four hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •