Base | Representation |
---|---|
bin | 1111100001111… |
… | …11111011000110 |
3 | 100002011011202210 |
4 | 13300333323012 |
5 | 231323112004 |
6 | 20532244250 |
7 | 3141256251 |
oct | 760777306 |
9 | 302134683 |
10 | 130285254 |
11 | 675a7270 |
12 | 37770686 |
13 | 20cb8588 |
14 | 13436098 |
15 | b688089 |
hex | 7c3fec6 |
130285254 has 32 divisors (see below), whose sum is σ = 284788224. Its totient is φ = 39406880.
The previous prime is 130285247. The next prime is 130285273. The reversal of 130285254 is 452582031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41587 + ... + 44609.
It is an arithmetic number, because the mean of its divisors is an integer number (8899632).
Almost surely, 2130285254 is an apocalyptic number.
130285254 is an abundant number, since it is smaller than the sum of its proper divisors (154502970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130285254 is a wasteful number, since it uses less digits than its factorization.
130285254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3692.
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 130285254 is about 11414.2566117991. The cubic root of 130285254 is about 506.9499540174.
The spelling of 130285254 in words is "one hundred thirty million, two hundred eighty-five thousand, two hundred fifty-four".
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