| Base | Representation |
|---|---|
| bin | 11010101100010… |
| … | …11110010110000 |
| 3 | 120121100021111200 |
| 4 | 31112023302300 |
| 5 | 424310404110 |
| 6 | 34115211200 |
| 7 | 5356165614 |
| oct | 1526136260 |
| 9 | 517307450 |
| 10 | 223919280 |
| 11 | 10543a962 |
| 12 | 62ba6b00 |
| 13 | 37510620 |
| 14 | 21a4b344 |
| 15 | 149d16c0 |
| hex | d58bcb0 |
223919280 has 240 divisors, whose sum is σ = 828696960. Its totient is φ = 53839872.
The previous prime is 223919279. The next prime is 223919281. The reversal of 223919280 is 82919322.
223919280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (223919279) and next prime (223919281).
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (223919281) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439666 + ... + 440174.
It is an arithmetic number, because the mean of its divisors is an integer number (3452904).
Almost surely, 2223919280 is an apocalyptic number.
223919280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223919280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414348480).
223919280 is an abundant number, since it is smaller than the sum of its proper divisors (604777680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223919280 is a wasteful number, since it uses less digits than its factorization.
223919280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588 (or 579 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 223919280 is about 14963.9326381804. The cubic root of 223919280 is about 607.2448351756.
The spelling of 223919280 in words is "two hundred twenty-three million, nine hundred nineteen thousand, two hundred eighty".
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