Base | Representation |
---|---|
bin | 1000100011100011111111 |
3 | 11012221120020 |
4 | 20203203333 |
5 | 1033232230 |
6 | 120023223 |
7 | 25030551 |
oct | 10434377 |
9 | 4187506 |
10 | 2242815 |
11 | 12a2073 |
12 | 901b13 |
13 | 606b13 |
14 | 4254d1 |
15 | 2e4810 |
hex | 2238ff |
2242815 has 8 divisors (see below), whose sum is σ = 3588528. Its totient is φ = 1196160.
The previous prime is 2242813. The next prime is 2242841. The reversal of 2242815 is 5182422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2242815 - 21 = 2242813 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2242811) 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 7 ways as a sum of consecutive naturals, for example, 74746 + ... + 74775.
It is an arithmetic number, because the mean of its divisors is an integer number (448566).
22242815 is an apocalyptic number.
2242815 is a deficient number, since it is larger than the sum of its proper divisors (1345713).
2242815 is a wasteful number, since it uses less digits than its factorization.
2242815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149529.
The product of its digits is 1280, while the sum is 24.
The square root of 2242815 is about 1497.6030849327. The cubic root of 2242815 is about 130.8974392951.
The spelling of 2242815 in words is "two million, two hundred forty-two thousand, eight hundred fifteen".
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