Base | Representation |
---|---|
bin | 11010100111010… |
… | …11101010010011 |
3 | 120120002221210001 |
4 | 31103223222103 |
5 | 424123412004 |
6 | 34053150431 |
7 | 5350464433 |
oct | 1523535223 |
9 | 516087701 |
10 | 223263379 |
11 | 105032099 |
12 | 6292b417 |
13 | 37340c11 |
14 | 2191a2c3 |
15 | 149021a4 |
hex | d4eba93 |
223263379 has 4 divisors (see below), whose sum is σ = 223293280. Its totient is φ = 223233480.
The previous prime is 223263377. The next prime is 223263407. The reversal of 223263379 is 973362322.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 223263379 - 21 = 223263377 is a prime.
It is a super-3 number, since 3×2232633793 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223263371) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6742 + ... + 22180.
It is an arithmetic number, because the mean of its divisors is an integer number (55823320).
Almost surely, 2223263379 is an apocalyptic number.
223263379 is a deficient number, since it is larger than the sum of its proper divisors (29901).
223263379 is a wasteful number, since it uses less digits than its factorization.
223263379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29900.
The product of its digits is 81648, while the sum is 37.
The square root of 223263379 is about 14942.0005019408. Note that the first 3 decimals coincide. The cubic root of 223263379 is about 606.6513444922.
The spelling of 223263379 in words is "two hundred twenty-three million, two hundred sixty-three thousand, three hundred seventy-nine".
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