Base | Representation |
---|---|
bin | 11010101000110… |
… | …01001011001000 |
3 | 120120110102111112 |
4 | 31110121023020 |
5 | 424200343200 |
6 | 34101145452 |
7 | 5352202100 |
oct | 1524311310 |
9 | 516412445 |
10 | 223449800 |
11 | 10514a162 |
12 | 629bb288 |
13 | 373a7a22 |
14 | 21968200 |
15 | 1493c535 |
hex | d5192c8 |
223449800 has 108 divisors (see below), whose sum is σ = 608369265. Its totient is φ = 76104000.
The previous prime is 223449799. The next prime is 223449839. The reversal of 223449800 is 8944322.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 218980804 + 4468996 = 14798^2 + 2114^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=10570.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1479725 + ... + 1479875.
Almost surely, 2223449800 is an apocalyptic number.
223449800 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 223449800
223449800 is an abundant number, since it is smaller than the sum of its proper divisors (384919465).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223449800 is a wasteful number, since it uses less digits than its factorization.
223449800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332 (or 165 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 223449800 is about 14948.2373542836. The cubic root of 223449800 is about 606.8201452581.
Multiplying 223449800 by its sum of digits (32), we get a square (7150393600 = 845602).
The spelling of 223449800 in words is "two hundred twenty-three million, four hundred forty-nine thousand, eight hundred".
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