Base | Representation |
---|---|
bin | 100100101010101… |
… | …1110001100000010 |
3 | 10011202011001002110 |
4 | 1021111132030002 |
5 | 10004433143232 |
6 | 322031000150 |
7 | 42326635155 |
oct | 11125361402 |
9 | 3152131073 |
10 | 1230365442 |
11 | 581566849 |
12 | 2a4069056 |
13 | 167b968b7 |
14 | b9595c9c |
15 | 73037acc |
hex | 4955e302 |
1230365442 has 16 divisors (see below), whose sum is σ = 2462063040. Its totient is φ = 409899792.
The previous prime is 1230365441. The next prime is 1230365453. The reversal of 1230365442 is 2445630321.
It is a super-3 number, since 3×12303654423 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1230365441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43293 + ... + 65840.
It is an arithmetic number, because the mean of its divisors is an integer number (153878940).
Almost surely, 21230365442 is an apocalyptic number.
1230365442 is an abundant number, since it is smaller than the sum of its proper divisors (1231697598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230365442 is a wasteful number, since it uses less digits than its factorization.
1230365442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111017.
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 1230365442 is about 35076.5654247961. The cubic root of 1230365442 is about 1071.5473701974.
Adding to 1230365442 its reverse (2445630321), we get a palindrome (3675995763).
The spelling of 1230365442 in words is "one billion, two hundred thirty million, three hundred sixty-five thousand, four hundred forty-two".
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