Base | Representation |
---|---|
bin | 11010100111010… |
… | …11101010010100 |
3 | 120120002221210002 |
4 | 31103223222110 |
5 | 424123412010 |
6 | 34053150432 |
7 | 5350464434 |
oct | 1523535224 |
9 | 516087702 |
10 | 223263380 |
11 | 10503209a |
12 | 6292b418 |
13 | 37340c12 |
14 | 2191a2c4 |
15 | 149021a5 |
hex | d4eba94 |
223263380 has 24 divisors (see below), whose sum is σ = 496433448. Its totient is φ = 84051968.
The previous prime is 223263377. The next prime is 223263407. The reversal of 223263380 is 83362322.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 80317444 + 142945936 = 8962^2 + 11956^2 .
It is a super-3 number, since 3×2232633803 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327989 + ... + 328668.
It is an arithmetic number, because the mean of its divisors is an integer number (20684727).
Almost surely, 2223263380 is an apocalyptic number.
223263380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223263380 is an abundant number, since it is smaller than the sum of its proper divisors (273170068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223263380 is a wasteful number, since it uses less digits than its factorization.
223263380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 656683 (or 656681 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 29.
The square root of 223263380 is about 14942.0005354036. Note that the first 3 decimals coincide. The cubic root of 223263380 is about 606.6513453979.
The spelling of 223263380 in words is "two hundred twenty-three million, two hundred sixty-three thousand, three hundred eighty".
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