Base | Representation |
---|---|
bin | 100101000110111… |
… | …0010110111111000 |
3 | 10012202221011120112 |
4 | 1022031302313320 |
5 | 10022223131412 |
6 | 323315243452 |
7 | 42566301203 |
oct | 11215626770 |
9 | 3182834515 |
10 | 1245130232 |
11 | 589930855 |
12 | 2a8ba9588 |
13 | 16ac66168 |
14 | bb51a93a |
15 | 744a2722 |
hex | 4a372df8 |
1245130232 has 8 divisors (see below), whose sum is σ = 2334619200. Its totient is φ = 622565112.
The previous prime is 1245130223. The next prime is 1245130273. The reversal of 1245130232 is 2320315421.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 1245130198 and 1245130207.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77820632 + ... + 77820647.
It is an arithmetic number, because the mean of its divisors is an integer number (291827400).
Almost surely, 21245130232 is an apocalyptic number.
It is an amenable number.
1245130232 is a deficient number, since it is larger than the sum of its proper divisors (1089488968).
1245130232 is a wasteful number, since it uses less digits than its factorization.
1245130232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155641285 (or 155641281 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1245130232 is about 35286.4029337080. The cubic root of 1245130232 is about 1075.8166448673.
Adding to 1245130232 its reverse (2320315421), we get a palindrome (3565445653).
The spelling of 1245130232 in words is "one billion, two hundred forty-five million, one hundred thirty thousand, two hundred thirty-two".
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