Base | Representation |
---|---|
bin | 111100001010001… |
… | …100111101011101 |
3 | 2121100012010120201 |
4 | 330022030331131 |
5 | 4031340314420 |
6 | 244052543501 |
7 | 34003654264 |
oct | 7412147535 |
9 | 2540163521 |
10 | 1009307485 |
11 | 47880071a |
12 | 242021b91 |
13 | 131148784 |
14 | 980915db |
15 | 5d91e10a |
hex | 3c28cf5d |
1009307485 has 8 divisors (see below), whose sum is σ = 1211405400. Its totient is φ = 807288384.
The previous prime is 1009307483. The next prime is 1009307489. The reversal of 1009307485 is 5847039001.
It can be written as a sum of positive squares in 4 ways, for example, as 136282276 + 873025209 = 11674^2 + 29547^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1009307485 - 21 = 1009307483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1009307483) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 13591 + ... + 46939.
It is an arithmetic number, because the mean of its divisors is an integer number (151425675).
Almost surely, 21009307485 is an apocalyptic number.
It is an amenable number.
1009307485 is a deficient number, since it is larger than the sum of its proper divisors (202097915).
1009307485 is an equidigital number, since it uses as much as digits as its factorization.
1009307485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39407.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 1009307485 is about 31769.6000132202. The cubic root of 1009307485 is about 1003.0929189897.
The spelling of 1009307485 in words is "one billion, nine million, three hundred seven thousand, four hundred eighty-five".
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