Base | Representation |
---|---|
bin | 11110110011111… |
… | …10010110101100 |
3 | 200000100111101220 |
4 | 33121332112230 |
5 | 1012131422434 |
6 | 41351503340 |
7 | 6255635550 |
oct | 1731762654 |
9 | 600314356 |
10 | 258467244 |
11 | 1229972a2 |
12 | 72687b50 |
13 | 417186c9 |
14 | 26481860 |
15 | 17a57d49 |
hex | f67e5ac |
258467244 has 24 divisors (see below), whose sum is σ = 689246208. Its totient is φ = 73847760.
The previous prime is 258467233. The next prime is 258467249. The reversal of 258467244 is 442764852.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 258467196 and 258467205.
It is not an unprimeable number, because it can be changed into a prime (258467249) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538412 + ... + 1538579.
It is an arithmetic number, because the mean of its divisors is an integer number (28718592).
Almost surely, 2258467244 is an apocalyptic number.
It is an amenable number.
258467244 is an abundant number, since it is smaller than the sum of its proper divisors (430778964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258467244 is a wasteful number, since it uses less digits than its factorization.
258467244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3077005 (or 3077003 counting only the distinct ones).
The product of its digits is 430080, while the sum is 42.
The square root of 258467244 is about 16076.9164953980. The cubic root of 258467244 is about 636.9937492558.
The spelling of 258467244 in words is "two hundred fifty-eight million, four hundred sixty-seven thousand, two hundred forty-four".
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