Base | Representation |
---|---|
bin | 1000101100101011011010 |
3 | 11021211210011 |
4 | 20230223122 |
5 | 1040431104 |
6 | 120512134 |
7 | 25244452 |
oct | 10545332 |
9 | 4254704 |
10 | 2280154 |
11 | 1318128 |
12 | 91b64a |
13 | 61ab06 |
14 | 434d62 |
15 | 300904 |
hex | 22cada |
2280154 has 8 divisors (see below), whose sum is σ = 3538260. Its totient is φ = 1100736.
The previous prime is 2280127. The next prime is 2280163. The reversal of 2280154 is 4510822.
2280154 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 2265025 + 15129 = 1505^2 + 123^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is an unprimeable number.
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, 19599 + ... + 19714.
22280154 is an apocalyptic number.
2280154 is a deficient number, since it is larger than the sum of its proper divisors (1258106).
2280154 is a wasteful number, since it uses less digits than its factorization.
2280154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39344.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 2280154 is about 1510.0178806888. The cubic root of 2280154 is about 131.6198505423.
Adding to 2280154 its reverse (4510822), we get a palindrome (6790976).
The spelling of 2280154 in words is "two million, two hundred eighty thousand, one hundred fifty-four".
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