Base | Representation |
---|---|
bin | 11010100011110… |
… | …10000101000100 |
3 | 120112020022121021 |
4 | 31101322011010 |
5 | 424014020043 |
6 | 34035200524 |
7 | 5343516166 |
oct | 1521720504 |
9 | 515208537 |
10 | 222798148 |
11 | 104844601 |
12 | 62746144 |
13 | 3720a231 |
14 | 21838936 |
15 | 1485e3ed |
hex | d47a144 |
222798148 has 24 divisors (see below), whose sum is σ = 407373120. Its totient is φ = 106418400.
The previous prime is 222798143. The next prime is 222798151. The reversal of 222798148 is 841897222.
It is not an unprimeable number, because it can be changed into a prime (222798143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132658 + ... + 134326.
It is an arithmetic number, because the mean of its divisors is an integer number (16973880).
Almost surely, 2222798148 is an apocalyptic number.
It is an amenable number.
222798148 is a deficient number, since it is larger than the sum of its proper divisors (184574972).
222798148 is a wasteful number, since it uses less digits than its factorization.
222798148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).
The product of its digits is 129024, while the sum is 43.
The square root of 222798148 is about 14926.4244881351. The cubic root of 222798148 is about 606.2296761813.
The spelling of 222798148 in words is "two hundred twenty-two million, seven hundred ninety-eight thousand, one hundred forty-eight".
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