Base | Representation |
---|---|
bin | 10001001100000… |
… | …111010000100010 |
3 | 202002122122010212 |
4 | 101030013100202 |
5 | 1042311410010 |
6 | 44341054122 |
7 | 10101154502 |
oct | 2114072042 |
9 | 662578125 |
10 | 288388130 |
11 | 1388732a8 |
12 | 806b7342 |
13 | 47993684 |
14 | 2a42da02 |
15 | 1a4b8505 |
hex | 11307422 |
288388130 has 16 divisors (see below), whose sum is σ = 519451704. Its totient is φ = 115276800.
The previous prime is 288388117. The next prime is 288388141. The reversal of 288388130 is 31883882.
It can be written as a sum of positive squares in 4 ways, for example, as 280864081 + 7524049 = 16759^2 + 2743^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 25016.
Almost surely, 2288388130 is an apocalyptic number.
288388130 is a deficient number, since it is larger than the sum of its proper divisors (231063574).
288388130 is a wasteful number, since it uses less digits than its factorization.
288388130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19621.
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 288388130 is about 16981.9942880688. The cubic root of 288388130 is about 660.6819779590.
The spelling of 288388130 in words is "two hundred eighty-eight million, three hundred eighty-eight thousand, one hundred thirty".
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