Base | Representation |
---|---|
bin | 1000010011000… |
… | …10010101101100 |
3 | 11211222111100011 |
4 | 10021202111230 |
5 | 120304440222 |
6 | 10523543004 |
7 | 1503444100 |
oct | 411422554 |
9 | 154874304 |
10 | 69608812 |
11 | 36324149 |
12 | 1b38aa64 |
13 | 11562760 |
14 | 935d900 |
15 | 619ec77 |
hex | 426256c |
69608812 has 72 divisors (see below), whose sum is σ = 161681184. Its totient is φ = 25901568.
The previous prime is 69608801. The next prime is 69608813. The reversal of 69608812 is 21880696.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69608813) 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 23 ways as a sum of consecutive naturals, for example, 42513 + ... + 44119.
It is an arithmetic number, because the mean of its divisors is an integer number (2245572).
Almost surely, 269608812 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 69608812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80840592).
69608812 is an abundant number, since it is smaller than the sum of its proper divisors (92072372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69608812 is a wasteful number, since it uses less digits than its factorization.
69608812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1655 (or 1646 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 69608812 is about 8343.1895579568. The cubic root of 69608812 is about 411.3593824028.
The spelling of 69608812 in words is "sixty-nine million, six hundred eight thousand, eight hundred twelve".
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