Base | Representation |
---|---|
bin | 1000010110000010… |
… | …0010001101111010 |
3 | 12210002202122002100 |
4 | 2011200202031322 |
5 | 14041403222430 |
6 | 1010132444230 |
7 | 106335552204 |
oct | 20540421572 |
9 | 5702678070 |
10 | 2239898490 |
11 | a4a400985 |
12 | 526179676 |
13 | 299090c2b |
14 | 1736a5774 |
15 | d199d960 |
hex | 8582237a |
2239898490 has 48 divisors (see below), whose sum is σ = 6011606016. Its totient is φ = 578037600.
The previous prime is 2239898483. The next prime is 2239898497. The reversal of 2239898490 is 948989322.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2239898483) and next prime (2239898497).
It is not an unprimeable number, because it can be changed into a prime (2239898497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398626 + ... + 404205.
It is an arithmetic number, because the mean of its divisors is an integer number (125241792).
Almost surely, 22239898490 is an apocalyptic number.
2239898490 is an abundant number, since it is smaller than the sum of its proper divisors (3771707526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2239898490 is a wasteful number, since it uses less digits than its factorization.
2239898490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 802875 (or 802872 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The square root of 2239898490 is about 47327.5658575423. The cubic root of 2239898490 is about 1308.4067591375.
The spelling of 2239898490 in words is "two billion, two hundred thirty-nine million, eight hundred ninety-eight thousand, four hundred ninety".
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