Base | Representation |
---|---|
bin | 1000001110111… |
… | …00101010100100 |
3 | 11210221200021100 |
4 | 10013130222210 |
5 | 120134430114 |
6 | 10504120100 |
7 | 1466003565 |
oct | 407345244 |
9 | 153850240 |
10 | 69061284 |
11 | 35a8a846 |
12 | 1b166030 |
13 | 11400486 |
14 | 925a16c |
15 | 60e2909 |
hex | 41dcaa4 |
69061284 has 36 divisors (see below), whose sum is σ = 176380204. Its totient is φ = 22781952.
The previous prime is 69061271. The next prime is 69061301. The reversal of 69061284 is 48216096.
It can be written as a sum of positive squares in 2 ways, for example, as 31606884 + 37454400 = 5622^2 + 6120^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6397 + ... + 13380.
Almost surely, 269061284 is an apocalyptic number.
It is an amenable number.
69061284 is an abundant number, since it is smaller than the sum of its proper divisors (107318920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69061284 is a wasteful number, since it uses less digits than its factorization.
69061284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19884 (or 19879 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 69061284 is about 8310.3119075038. The cubic root of 69061284 is about 410.2779871663.
The spelling of 69061284 in words is "sixty-nine million, sixty-one thousand, two hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •