Base | Representation |
---|---|
bin | 1000010011101… |
… | …00000100111100 |
3 | 11212010012000010 |
4 | 10021310010330 |
5 | 120314301333 |
6 | 10525303220 |
7 | 1504165653 |
oct | 411640474 |
9 | 155105003 |
10 | 69681468 |
11 | 3637379a |
12 | 1b404b10 |
13 | 1158984c |
14 | 937c19a |
15 | 61b6563 |
hex | 427413c |
69681468 has 24 divisors (see below), whose sum is σ = 166556880. Its totient is φ = 22660480.
The previous prime is 69681463. The next prime is 69681481. The reversal of 69681468 is 86418696.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69681463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70323 + ... + 71306.
It is an arithmetic number, because the mean of its divisors is an integer number (6939870).
Almost surely, 269681468 is an apocalyptic number.
It is an amenable number.
69681468 is an abundant number, since it is smaller than the sum of its proper divisors (96875412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69681468 is a wasteful number, since it uses less digits than its factorization.
69681468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141677 (or 141675 counting only the distinct ones).
The product of its digits is 497664, while the sum is 48.
The square root of 69681468 is about 8347.5426324158. The cubic root of 69681468 is about 411.5024549715.
The spelling of 69681468 in words is "sixty-nine million, six hundred eighty-one thousand, four hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •