Base | Representation |
---|---|
bin | 100100101010100… |
… | …0000101001011010 |
3 | 10011201220220002222 |
4 | 1021111000221122 |
5 | 10004420310232 |
6 | 322024224042 |
7 | 42325622330 |
oct | 11125005132 |
9 | 3151826088 |
10 | 1230244442 |
11 | 581493949 |
12 | 2a400b022 |
13 | 167b537bb |
14 | b9563b50 |
15 | 73011d12 |
hex | 49540a5a |
1230244442 has 32 divisors (see below), whose sum is σ = 2165232384. Its totient is φ = 513244800.
The previous prime is 1230244441. The next prime is 1230244451. The reversal of 1230244442 is 2444420321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1230244441) 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, 286592 + ... + 290852.
It is an arithmetic number, because the mean of its divisors is an integer number (67663512).
Almost surely, 21230244442 is an apocalyptic number.
1230244442 is a deficient number, since it is larger than the sum of its proper divisors (934987942).
1230244442 is a wasteful number, since it uses less digits than its factorization.
1230244442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4814.
The product of its (nonzero) digits is 6144, while the sum is 26.
The square root of 1230244442 is about 35074.8405840996. The cubic root of 1230244442 is about 1071.5122420211.
Adding to 1230244442 its reverse (2444420321), we get a palindrome (3674664763).
The spelling of 1230244442 in words is "one billion, two hundred thirty million, two hundred forty-four thousand, four hundred forty-two".
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