Base | Representation |
---|---|
bin | 11110110000100… |
… | …11001100101010 |
3 | 122222112012022211 |
4 | 33120103030222 |
5 | 1012023401310 |
6 | 41334235334 |
7 | 6252130120 |
oct | 1730231452 |
9 | 588465284 |
10 | 258028330 |
11 | 12271755a |
12 | 724b5b4a |
13 | 415c39b1 |
14 | 263a9910 |
15 | 179bcc8a |
hex | f61332a |
258028330 has 16 divisors (see below), whose sum is σ = 530801280. Its totient is φ = 88466832.
The previous prime is 258028307. The next prime is 258028339. The reversal of 258028330 is 33820852.
258028330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 258028292 and 258028301.
It is not an unprimeable number, because it can be changed into a prime (258028339) 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, 1842990 + ... + 1843129.
It is an arithmetic number, because the mean of its divisors is an integer number (33175080).
Almost surely, 2258028330 is an apocalyptic number.
258028330 is an abundant number, since it is smaller than the sum of its proper divisors (272772950).
258028330 is a wasteful number, since it uses less digits than its factorization.
258028330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3686133.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 258028330 is about 16063.2602543817. The cubic root of 258028330 is about 636.6329764190.
The spelling of 258028330 in words is "two hundred fifty-eight million, twenty-eight thousand, three hundred thirty".
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