Base | Representation |
---|---|
bin | 100011111000111… |
… | …0000010011011101 |
3 | 10002220221222111000 |
4 | 1013301300103131 |
5 | 4431240201440 |
6 | 315254420513 |
7 | 41561513526 |
oct | 10761602335 |
9 | 3086858430 |
10 | 1204225245 |
11 | 568832283 |
12 | 297361739 |
13 | 162643722 |
14 | b5d0d84d |
15 | 70ac2730 |
hex | 47c704dd |
1204225245 has 32 divisors (see below), whose sum is σ = 2147760000. Its totient is φ = 640179072.
The previous prime is 1204225207. The next prime is 1204225289. The reversal of 1204225245 is 5425224021.
It is not a de Polignac number, because 1204225245 - 220 = 1203176669 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28006 + ... + 56504.
It is an arithmetic number, because the mean of its divisors is an integer number (67117500).
Almost surely, 21204225245 is an apocalyptic number.
1204225245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1204225245 is a deficient number, since it is larger than the sum of its proper divisors (943534755).
1204225245 is a wasteful number, since it uses less digits than its factorization.
1204225245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28826 (or 28820 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 1204225245 is about 34701.9487204970. The cubic root of 1204225245 is about 1063.9043284269.
Adding to 1204225245 its reverse (5425224021), we get a palindrome (6629449266).
The spelling of 1204225245 in words is "one billion, two hundred four million, two hundred twenty-five thousand, two hundred forty-five".
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