Base | Representation |
---|---|
bin | 11100111111001… |
… | …01110010010000 |
3 | 121221112220220111 |
4 | 32133211302100 |
5 | 444222143011 |
6 | 40043451104 |
7 | 6011562601 |
oct | 1637456220 |
9 | 557486814 |
10 | 243162256 |
11 | 115293447 |
12 | 69526a94 |
13 | 3b4ba2bc |
14 | 24419da8 |
15 | 16533121 |
hex | e7e5c90 |
243162256 has 30 divisors (see below), whose sum is σ = 492518390. Its totient is φ = 116290944.
The previous prime is 243162217. The next prime is 243162263. The reversal of 243162256 is 652261342.
It can be written as a sum of positive squares in only one way, i.e., 195552256 + 47610000 = 13984^2 + 6900^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5901 + ... + 22828.
Almost surely, 2243162256 is an apocalyptic number.
It is an amenable number.
243162256 is an abundant number, since it is smaller than the sum of its proper divisors (249356134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243162256 is a wasteful number, since it uses less digits than its factorization.
243162256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28783 (or 28754 counting only the distinct ones).
The product of its digits is 17280, while the sum is 31.
The square root of 243162256 is about 15593.6607632717. The cubic root of 243162256 is about 624.1640074048.
The spelling of 243162256 in words is "two hundred forty-three million, one hundred sixty-two thousand, two hundred fifty-six".
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