Base | Representation |
---|---|
bin | 11101010011001… |
… | …01011001110010 |
3 | 122010111000200212 |
4 | 32221211121302 |
5 | 1000410012010 |
6 | 40215544122 |
7 | 6043053656 |
oct | 1651453162 |
9 | 563430625 |
10 | 245782130 |
11 | 116812830 |
12 | 6a38b042 |
13 | 3bbc6919 |
14 | 248dca66 |
15 | 1689e505 |
hex | ea65672 |
245782130 has 32 divisors (see below), whose sum is σ = 489844800. Its totient is φ = 88038720.
The previous prime is 245782111. The next prime is 245782153. The reversal of 245782130 is 31287542.
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, 9305 + ... + 24044.
It is an arithmetic number, because the mean of its divisors is an integer number (15307650).
Almost surely, 2245782130 is an apocalyptic number.
245782130 is a deficient number, since it is larger than the sum of its proper divisors (244062670).
245782130 is a wasteful number, since it uses less digits than its factorization.
245782130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33434.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 245782130 is about 15677.4401609446. The cubic root of 245782130 is about 626.3976232425.
The spelling of 245782130 in words is "two hundred forty-five million, seven hundred eighty-two thousand, one hundred thirty".
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