Base | Representation |
---|---|
bin | 111110100000101… |
… | …0110011111001010 |
3 | 12102011211100122200 |
4 | 1331001112133022 |
5 | 13243430200000 |
6 | 544044501030 |
7 | 102656336400 |
oct | 17501263712 |
9 | 5364740580 |
10 | 2097506250 |
11 | 986a95544 |
12 | 4a654a776 |
13 | 275726a78 |
14 | 15c7db470 |
15 | c4223500 |
hex | 7d0567ca |
2097506250 has 216 divisors, whose sum is σ = 6616474956. Its totient is φ = 478800000.
The previous prime is 2097506207. The next prime is 2097506251. The reversal of 2097506250 is 526057902.
2097506250 is a `hidden beast` number, since 20 + 9 + 7 + 5 + 0 + 625 + 0 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 915728121 + 1181778129 = 30261^2 + 34377^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2097506251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2755870 + ... + 2756630.
Almost surely, 22097506250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2097506250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3308237478).
2097506250 is an abundant number, since it is smaller than the sum of its proper divisors (4518968706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2097506250 is an equidigital number, since it uses as much as digits as its factorization.
2097506250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808 (or 778 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 2097506250 is about 45798.5398238852. The cubic root of 2097506250 is about 1280.0720682892.
It can be divided in two parts, 209750 and 6250, that added together give a cube (216000 = 603).
The spelling of 2097506250 in words is "two billion, ninety-seven million, five hundred six thousand, two hundred fifty".
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