Base | Representation |
---|---|
bin | 11010100111101… |
… | …01110101001111 |
3 | 120120012001221000 |
4 | 31103311311033 |
5 | 424131230124 |
6 | 34054111343 |
7 | 5351030046 |
oct | 1523656517 |
9 | 516161830 |
10 | 223305039 |
11 | 105060421 |
12 | 6294b553 |
13 | 37356b79 |
14 | 2192b55d |
15 | 1490e6c9 |
hex | d4f5d4f |
223305039 has 8 divisors (see below), whose sum is σ = 330822320. Its totient is φ = 148870008.
The previous prime is 223305031. The next prime is 223305067. The reversal of 223305039 is 930503322.
It is not a de Polignac number, because 223305039 - 23 = 223305031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8270557 = 223305039 / (2 + 2 + 3 + 3 + 0 + 5 + 0 + 3 + 9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223305031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135252 + ... + 4135305.
It is an arithmetic number, because the mean of its divisors is an integer number (41352790).
Almost surely, 2223305039 is an apocalyptic number.
223305039 is a deficient number, since it is larger than the sum of its proper divisors (107517281).
223305039 is an equidigital number, since it uses as much as digits as its factorization.
223305039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8270566 (or 8270560 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 27.
The square root of 223305039 is about 14943.3944938893. The cubic root of 223305039 is about 606.6890750018.
The spelling of 223305039 in words is "two hundred twenty-three million, three hundred five thousand, thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •