Base | Representation |
---|---|
bin | 100100101010110… |
… | …0111000111101000 |
3 | 10011202012220021100 |
4 | 1021111213013220 |
5 | 10004440331044 |
6 | 322031441400 |
7 | 42330146625 |
oct | 11125470750 |
9 | 3152186240 |
10 | 1230402024 |
11 | 581591285 |
12 | 2a4086260 |
13 | 167baa447 |
14 | b95a534c |
15 | 73043869 |
hex | 495671e8 |
1230402024 has 48 divisors (see below), whose sum is σ = 3447252900. Its totient is φ = 395990784.
The previous prime is 1230402023. The next prime is 1230402037. The reversal of 1230402024 is 4202040321.
It can be written as a sum of positive squares in 2 ways, for example, as 1217312100 + 13089924 = 34890^2 + 3618^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1230401988 and 1230402006.
It is not an unprimeable number, because it can be changed into a prime (1230402023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292549 + ... + 296724.
Almost surely, 21230402024 is an apocalyptic number.
It is an amenable number.
1230402024 is an abundant number, since it is smaller than the sum of its proper divisors (2216850876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230402024 is a wasteful number, since it uses less digits than its factorization.
1230402024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589314 (or 589307 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1230402024 is about 35077.0868801843. The cubic root of 1230402024 is about 1071.5579900658.
Adding to 1230402024 its reverse (4202040321), we get a palindrome (5432442345).
The spelling of 1230402024 in words is "one billion, two hundred thirty million, four hundred two thousand, twenty-four".
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