Base | Representation |
---|---|
bin | 1000001111111… |
… | …11100110100000 |
3 | 11211012221120100 |
4 | 10013333212200 |
5 | 120204020014 |
6 | 10511142400 |
7 | 1500141024 |
oct | 407774640 |
9 | 154187510 |
10 | 69204384 |
11 | 36078307 |
12 | 1b214a00 |
13 | 11450652 |
14 | 9296384 |
15 | 6120009 |
hex | 41ff9a0 |
69204384 has 72 divisors (see below), whose sum is σ = 207174240. Its totient is φ = 21852288.
The previous prime is 69204349. The next prime is 69204389. The reversal of 69204384 is 48340296.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (69204389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852 + ... + 11795.
It is an arithmetic number, because the mean of its divisors is an integer number (2877420).
Almost surely, 269204384 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 69204384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103587120).
69204384 is an abundant number, since it is smaller than the sum of its proper divisors (137969856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69204384 is a wasteful number, since it uses less digits than its factorization.
69204384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12682 (or 12671 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 69204384 is about 8318.9172372371. The cubic root of 69204384 is about 410.5611669364.
The spelling of 69204384 in words is "sixty-nine million, two hundred four thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •