Base | Representation |
---|---|
bin | 1000011110101110100111 |
3 | 11011221101220 |
4 | 20132232213 |
5 | 1032114030 |
6 | 115351423 |
7 | 24616044 |
oct | 10365647 |
9 | 4157356 |
10 | 2223015 |
11 | 1289203 |
12 | 8b2573 |
13 | 5caac2 |
14 | 41c1cb |
15 | 2dda10 |
hex | 21eba7 |
2223015 has 8 divisors (see below), whose sum is σ = 3556848. Its totient is φ = 1185600.
The previous prime is 2223007. The next prime is 2223031. The reversal of 2223015 is 5103222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2223015 - 23 = 2223007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 148201 = 2223015 / (2 + 2 + 2 + 3 + 0 + 1 + 5).
It is a junction number, because it is equal to n+sod(n) for n = 2222985 and 2223003.
It is a congruent number.
It is an unprimeable number.
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, 74086 + ... + 74115.
It is an arithmetic number, because the mean of its divisors is an integer number (444606).
22223015 is an apocalyptic number.
2223015 is a deficient number, since it is larger than the sum of its proper divisors (1333833).
2223015 is a wasteful number, since it uses less digits than its factorization.
2223015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148209.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 2223015 is about 1490.9778670389. The cubic root of 2223015 is about 130.5111042943.
Adding to 2223015 its reverse (5103222), we get a palindrome (7326237).
The spelling of 2223015 in words is "two million, two hundred twenty-three thousand, fifteen".
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