Base | Representation |
---|---|
bin | 1001010001111101… |
… | …0101111010101000 |
3 | 20102121201022120201 |
4 | 2110133111322220 |
5 | 20100224303300 |
6 | 1051112001544 |
7 | 115510140424 |
oct | 22437257250 |
9 | 6377638521 |
10 | 2491244200 |
11 | 1069273705 |
12 | 5963902b4 |
13 | 309184cc3 |
14 | 198c11b84 |
15 | e8a9b66a |
hex | 947d5ea8 |
2491244200 has 24 divisors (see below), whose sum is σ = 5792143230. Its totient is φ = 996497600.
The previous prime is 2491244167. The next prime is 2491244201. The reversal of 2491244200 is 24421942.
It can be written as a sum of positive squares in 3 ways, for example, as 1116762724 + 1374481476 = 33418^2 + 37074^2 .
It is not an unprimeable number, because it can be changed into a prime (2491244201) 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 5 ways as a sum of consecutive naturals, for example, 6227911 + ... + 6228310.
Almost surely, 22491244200 is an apocalyptic number.
2491244200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2491244200 is an abundant number, since it is smaller than the sum of its proper divisors (3300899030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2491244200 is a wasteful number, since it uses less digits than its factorization.
2491244200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12456237 (or 12456228 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 2491244200 is about 49912.3652014208. The cubic root of 2491244200 is about 1355.6224950769.
The spelling of 2491244200 in words is "two billion, four hundred ninety-one million, two hundred forty-four thousand, two hundred".
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