Base | Representation |
---|---|
bin | 100100101010011… |
… | …1111100100101100 |
3 | 10011201220200002002 |
4 | 1021110333210230 |
5 | 10004420140134 |
6 | 322024151432 |
7 | 42325603445 |
oct | 11124774454 |
9 | 3151820062 |
10 | 1230240044 |
11 | 581490610 |
12 | 2a4008578 |
13 | 167b517b7 |
14 | b95622cc |
15 | 7301087e |
hex | 4953f92c |
1230240044 has 24 divisors (see below), whose sum is σ = 2472254400. Its totient is φ = 529768080.
The previous prime is 1230240041. The next prime is 1230240083. The reversal of 1230240044 is 4400420321.
It is a super-2 number, since 2×12302400442 = 3026981131722243872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1230239998 and 1230240025.
It is not an unprimeable number, because it can be changed into a prime (1230240041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734954 + ... + 736625.
It is an arithmetic number, because the mean of its divisors is an integer number (103010600).
Almost surely, 21230240044 is an apocalyptic number.
It is an amenable number.
1230240044 is an abundant number, since it is smaller than the sum of its proper divisors (1242014356).
1230240044 is a wasteful number, since it uses less digits than its factorization.
1230240044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1471613 (or 1471611 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 1230240044 is about 35074.7778895320. Note that the first 3 decimals coincide. The cubic root of 1230240044 is about 1071.5109651701.
Adding to 1230240044 its reverse (4400420321), we get a palindrome (5630660365).
The spelling of 1230240044 in words is "one billion, two hundred thirty million, two hundred forty thousand, forty-four".
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