Base | Representation |
---|---|
bin | 100100101010110… |
… | …1110011110010100 |
3 | 10011202021102121001 |
4 | 1021111232132110 |
5 | 10004442312043 |
6 | 322032233044 |
7 | 42330333511 |
oct | 11125563624 |
9 | 3152242531 |
10 | 1230432148 |
11 | 581601980 |
12 | 2a409b784 |
13 | 167bbb07a |
14 | b95b2308 |
15 | 7304c74d |
hex | 4956e794 |
1230432148 has 24 divisors (see below), whose sum is σ = 2350524960. Its totient is φ = 558925920.
The previous prime is 1230432139. The next prime is 1230432149. The reversal of 1230432148 is 8412340321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230432149) 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, 67015 + ... + 83377.
It is an arithmetic number, because the mean of its divisors is an integer number (97938540).
Almost surely, 21230432148 is an apocalyptic number.
It is an amenable number.
1230432148 is a deficient number, since it is larger than the sum of its proper divisors (1120092812).
1230432148 is a wasteful number, since it uses less digits than its factorization.
1230432148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18087 (or 18085 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 1230432148 is about 35077.5162746737. The cubic root of 1230432148 is about 1071.5667349988.
Adding to 1230432148 its reverse (8412340321), we get a palindrome (9642772469).
The spelling of 1230432148 in words is "one billion, two hundred thirty million, four hundred thirty-two thousand, one hundred forty-eight".
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