Base | Representation |
---|---|
bin | 1000101111010101010110 |
3 | 11022101200222 |
4 | 20233111112 |
5 | 1041303110 |
6 | 121034342 |
7 | 25321250 |
oct | 10572526 |
9 | 4271628 |
10 | 2291030 |
11 | 1325315 |
12 | 9259b2 |
13 | 622a51 |
14 | 438cd0 |
15 | 303c55 |
hex | 22f556 |
2291030 has 32 divisors (see below), whose sum is σ = 4921344. Its totient is φ = 750816.
The previous prime is 2291017. The next prime is 2291033. The reversal of 2291030 is 301922.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2291033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899 + ... + 2321.
It is an arithmetic number, because the mean of its divisors is an integer number (153792).
22291030 is an apocalyptic number.
2291030 is an abundant number, since it is smaller than the sum of its proper divisors (2630314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2291030 is a wasteful number, since it uses less digits than its factorization.
2291030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2291030 is about 1513.6148783624. The cubic root of 2291030 is about 131.8287878181.
Subtracting from 2291030 its product of nonzero digits (108), we obtain a palindrome (2290922).
Adding to 2291030 its reverse (301922), we get a palindrome (2592952).
The spelling of 2291030 in words is "two million, two hundred ninety-one thousand, thirty".
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