Base | Representation |
---|---|
bin | 1000101110100100111010 |
3 | 11022020110011 |
4 | 20232210322 |
5 | 1041203210 |
6 | 121012134 |
7 | 25306231 |
oct | 10564472 |
9 | 4266404 |
10 | 2287930 |
11 | 1322a57 |
12 | 92404a |
13 | 621508 |
14 | 437b18 |
15 | 302d8a |
hex | 22e93a |
2287930 has 8 divisors (see below), whose sum is σ = 4118292. Its totient is φ = 915168.
The previous prime is 2287921. The next prime is 2287931. The reversal of 2287930 is 397822.
2287930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 100489 = 1479^2 + 317^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2287892 and 2287901.
It is not an unprimeable number, because it can be changed into a prime (2287931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114387 + ... + 114406.
22287930 is an apocalyptic number.
2287930 is a deficient number, since it is larger than the sum of its proper divisors (1830362).
2287930 is a wasteful number, since it uses less digits than its factorization.
2287930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228800.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 2287930 is about 1512.5904931607. The cubic root of 2287930 is about 131.7693016620.
The spelling of 2287930 in words is "two million, two hundred eighty-seven thousand, nine hundred thirty".
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