Base | Representation |
---|---|
bin | 1000010110100100… |
… | …1000100100000101 |
3 | 12210021000011021221 |
4 | 2011221020210011 |
5 | 14042442341314 |
6 | 1010253040341 |
7 | 106363661236 |
oct | 20551104405 |
9 | 5707004257 |
10 | 2242152709 |
11 | a50700575 |
12 | 526a860b1 |
13 | 29969cca4 |
14 | 173ad108d |
15 | d1c96824 |
hex | 85a48905 |
2242152709 has 4 divisors (see below), whose sum is σ = 2251775916. Its totient is φ = 2232529504.
The previous prime is 2242152707. The next prime is 2242152739. The reversal of 2242152709 is 9072512422.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9072512422 = 2 ⋅4536256211.
It can be written as a sum of positive squares in 2 ways, for example, as 240932484 + 2001220225 = 15522^2 + 44735^2 .
It is a cyclic number.
It is not a de Polignac number, because 2242152709 - 21 = 2242152707 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2242152707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4811254 + ... + 4811719.
It is an arithmetic number, because the mean of its divisors is an integer number (562943979).
Almost surely, 22242152709 is an apocalyptic number.
It is an amenable number.
2242152709 is a deficient number, since it is larger than the sum of its proper divisors (9623207).
2242152709 is an equidigital number, since it uses as much as digits as its factorization.
2242152709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9623206.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 2242152709 is about 47351.3749430785. The cubic root of 2242152709 is about 1308.8455359409.
The spelling of 2242152709 in words is "two billion, two hundred forty-two million, one hundred fifty-two thousand, seven hundred nine".
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