Base | Representation |
---|---|
bin | 1000010101100… |
… | …11110000000000 |
3 | 11212121102202112 |
4 | 10022303300000 |
5 | 120401123042 |
6 | 10535034452 |
7 | 1506333221 |
oct | 412636000 |
9 | 155542675 |
10 | 69942272 |
11 | 36531734 |
12 | 1b50ba28 |
13 | 1164b47a |
14 | 9409248 |
15 | 6218982 |
hex | 42b3c00 |
69942272 has 44 divisors (see below), whose sum is σ = 140997360. Its totient is φ = 34676736.
The previous prime is 69942263. The next prime is 69942277. The reversal of 69942272 is 27224996.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69942277) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170804 + ... + 171212.
Almost surely, 269942272 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 69942272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70498680).
69942272 is an abundant number, since it is smaller than the sum of its proper divisors (71055088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69942272 is a wasteful number, since it uses less digits than its factorization.
69942272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 596 (or 578 counting only the distinct ones).
The product of its digits is 108864, while the sum is 41.
The square root of 69942272 is about 8363.1496459169. The cubic root of 69942272 is about 412.0152066527.
The spelling of 69942272 in words is "sixty-nine million, nine hundred forty-two thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •