Base | Representation |
---|---|
bin | 11010101000001… |
… | …11010110110100 |
3 | 120120022201101120 |
4 | 31110013112310 |
5 | 424141024240 |
6 | 34055423540 |
7 | 5351446242 |
oct | 1524072664 |
9 | 516281346 |
10 | 223376820 |
11 | 1050aa347 |
12 | 62984bb0 |
13 | 37380744 |
14 | 21949792 |
15 | 14925ad0 |
hex | d5075b4 |
223376820 has 24 divisors (see below), whose sum is σ = 625455264. Its totient is φ = 59567136.
The previous prime is 223376801. The next prime is 223376833. The reversal of 223376820 is 28673322.
223376820 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
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, 1861414 + ... + 1861533.
It is an arithmetic number, because the mean of its divisors is an integer number (26060636).
Almost surely, 2223376820 is an apocalyptic number.
223376820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223376820 is an abundant number, since it is smaller than the sum of its proper divisors (402078444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223376820 is a wasteful number, since it uses less digits than its factorization.
223376820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3722959 (or 3722957 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 223376820 is about 14945.7960644457. The cubic root of 223376820 is about 606.7540744055.
The spelling of 223376820 in words is "two hundred twenty-three million, three hundred seventy-six thousand, eight hundred twenty".
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