Base | Representation |
---|---|
bin | 1000101100101100110010 |
3 | 11021211220102 |
4 | 20230230302 |
5 | 1040431432 |
6 | 120512402 |
7 | 25244636 |
oct | 10545462 |
9 | 4254812 |
10 | 2280242 |
11 | 13181a8 |
12 | 91b702 |
13 | 61ab73 |
14 | 434dc6 |
15 | 300962 |
hex | 22cb32 |
2280242 has 4 divisors (see below), whose sum is σ = 3420366. Its totient is φ = 1140120.
The previous prime is 2280221. The next prime is 2280253. The reversal of 2280242 is 2420822.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2420822 = 2 ⋅1210411.
It can be written as a sum of positive squares in only one way, i.e., 1394761 + 885481 = 1181^2 + 941^2 .
It is an Ulam number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570059 + ... + 570062.
22280242 is an apocalyptic number.
2280242 is a deficient number, since it is larger than the sum of its proper divisors (1140124).
2280242 is a wasteful number, since it uses less digits than its factorization.
2280242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1140123.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 2280242 is about 1510.0470191355. The cubic root of 2280242 is about 131.6215437610.
The spelling of 2280242 in words is "two million, two hundred eighty thousand, two hundred forty-two".
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