Base | Representation |
---|---|
bin | 1010100011000… |
… | …01100100001001 |
3 | 20011111020202101 |
4 | 11101201210021 |
5 | 140122330014 |
6 | 12440233401 |
7 | 2123032132 |
oct | 521414411 |
9 | 204436671 |
10 | 88480009 |
11 | 45a43382 |
12 | 2576b861 |
13 | 1543c147 |
14 | ba72c89 |
15 | 7b7b474 |
hex | 5461909 |
88480009 has 8 divisors (see below), whose sum is σ = 90828360. Its totient is φ = 86140800.
The previous prime is 88480001. The next prime is 88480013. The reversal of 88480009 is 90008488.
It can be written as a sum of positive squares in 4 ways, for example, as 176400 + 88303609 = 420^2 + 9397^2 .
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 88480009 - 23 = 88480001 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 88480009.
It is not an unprimeable number, because it can be changed into a prime (88480001) 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, 20187 + ... + 24175.
It is an arithmetic number, because the mean of its divisors is an integer number (11353545).
Almost surely, 288480009 is an apocalyptic number.
It is an amenable number.
88480009 is a deficient number, since it is larger than the sum of its proper divisors (2348351).
88480009 is a wasteful number, since it uses less digits than its factorization.
88480009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4571.
The product of its (nonzero) digits is 18432, while the sum is 37.
The square root of 88480009 is about 9406.3812914425. The cubic root of 88480009 is about 445.6032872950.
The spelling of 88480009 in words is "eighty-eight million, four hundred eighty thousand, nine".
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