Base | Representation |
---|---|
bin | 11110111011110… |
… | …00000110001110 |
3 | 200002021110121210 |
4 | 33131320012032 |
5 | 1012412141230 |
6 | 41425435250 |
7 | 6300426111 |
oct | 1735700616 |
9 | 602243553 |
10 | 259490190 |
11 | 123525903 |
12 | 72a9bb26 |
13 | 419b61bb |
14 | 2666a578 |
15 | 17baaeb0 |
hex | f77818e |
259490190 has 32 divisors (see below), whose sum is σ = 623232000. Its totient is φ = 69146784.
The previous prime is 259490183. The next prime is 259490191. The reversal of 259490190 is 91094952.
It is a super-2 number, since 2×2594901902 = 134670317412472200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (259490191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57807 + ... + 62133.
It is an arithmetic number, because the mean of its divisors is an integer number (19476000).
Almost surely, 2259490190 is an apocalyptic number.
259490190 is an abundant number, since it is smaller than the sum of its proper divisors (363741810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
259490190 is a wasteful number, since it uses less digits than its factorization.
259490190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6336.
The product of its (nonzero) digits is 29160, while the sum is 39.
The square root of 259490190 is about 16108.6992026048. The cubic root of 259490190 is about 637.8329948128.
The spelling of 259490190 in words is "two hundred fifty-nine million, four hundred ninety thousand, one hundred ninety".
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