Base | Representation |
---|---|
bin | 11110110011100… |
… | …11010101001010 |
3 | 200000021012110112 |
4 | 33121303111022 |
5 | 1012124001330 |
6 | 41350514322 |
7 | 6255360113 |
oct | 1731632512 |
9 | 600235415 |
10 | 258422090 |
11 | 122966383 |
12 | 726659a2 |
13 | 41700ca4 |
14 | 2646d20a |
15 | 17a49795 |
hex | f67354a |
258422090 has 8 divisors (see below), whose sum is σ = 465159780. Its totient is φ = 103368832.
The previous prime is 258422081. The next prime is 258422093. The reversal of 258422090 is 90224852.
It can be written as a sum of positive squares in 2 ways, for example, as 245454889 + 12967201 = 15667^2 + 3601^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (258422093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12921095 + ... + 12921114.
Almost surely, 2258422090 is an apocalyptic number.
258422090 is a deficient number, since it is larger than the sum of its proper divisors (206737690).
258422090 is a wasteful number, since it uses less digits than its factorization.
258422090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25842216.
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 258422090 is about 16075.5121224800. The cubic root of 258422090 is about 636.9566530131.
The spelling of 258422090 in words is "two hundred fifty-eight million, four hundred twenty-two thousand, ninety".
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