Base | Representation |
---|---|
bin | 10001001110110101… |
… | …10111110010100000 |
3 | 212212201221020110110 |
4 | 20213122313302200 |
5 | 122421312242042 |
6 | 4125555131320 |
7 | 445153445520 |
oct | 104732676240 |
9 | 25781836413 |
10 | 9251290272 |
11 | 3a18126344 |
12 | 19622a3b40 |
13 | b45855073 |
14 | 63a949680 |
15 | 3922b809c |
hex | 2276b7ca0 |
9251290272 has 96 divisors (see below), whose sum is σ = 27844895232. Its totient is φ = 2634557184.
The previous prime is 9251290271. The next prime is 9251290297. The reversal of 9251290272 is 2720921529.
9251290272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 9251290272.
It is not an unprimeable number, because it can be changed into a prime (9251290271) 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 15 ways as a sum of consecutive naturals, for example, 183883 + ... + 228725.
It is an arithmetic number, because the mean of its divisors is an integer number (290050992).
Almost surely, 29251290272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9251290272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13922447616).
9251290272 is an abundant number, since it is smaller than the sum of its proper divisors (18593604960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9251290272 is a wasteful number, since it uses less digits than its factorization.
9251290272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45170 (or 45162 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 9251290272 is about 96183.6278791770. The cubic root of 9251290272 is about 2099.2658258974.
The spelling of 9251290272 in words is "nine billion, two hundred fifty-one million, two hundred ninety thousand, two hundred seventy-two".
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