Base | Representation |
---|---|
bin | 1010100110111… |
… | …10110011110001 |
3 | 20012110022110101 |
4 | 11103132303301 |
5 | 140240234014 |
6 | 12455232401 |
7 | 2130266560 |
oct | 523366361 |
9 | 205408411 |
10 | 88993009 |
11 | 46263846 |
12 | 25978701 |
13 | 1558b7b1 |
14 | bb67bd7 |
15 | 7c2d474 |
hex | 54decf1 |
88993009 has 8 divisors (see below), whose sum is σ = 101763648. Its totient is φ = 76236720.
The previous prime is 88993007. The next prime is 88993013. The reversal of 88993009 is 90039988.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 88993009 - 21 = 88993007 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 88993009.
It is not an unprimeable number, because it can be changed into a prime (88993007) 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, 20574 + ... + 24520.
It is an arithmetic number, because the mean of its divisors is an integer number (12720456).
Almost surely, 288993009 is an apocalyptic number.
It is an amenable number.
88993009 is a deficient number, since it is larger than the sum of its proper divisors (12770639).
88993009 is a wasteful number, since it uses less digits than its factorization.
88993009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7175.
The product of its (nonzero) digits is 139968, while the sum is 46.
The square root of 88993009 is about 9433.6106025212. The cubic root of 88993009 is about 446.4628189778.
The spelling of 88993009 in words is "eighty-eight million, nine hundred ninety-three thousand, nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •