Base | Representation |
---|---|
bin | 1000010010000… |
… | …11000101111100 |
3 | 11211201222210000 |
4 | 10021003011330 |
5 | 120241341303 |
6 | 10521114300 |
7 | 1502402004 |
oct | 411030574 |
9 | 154658700 |
10 | 69480828 |
11 | 36246a7a |
12 | 1b328990 |
13 | 11519421 |
14 | 9329004 |
15 | 6176da3 |
hex | 424317c |
69480828 has 60 divisors (see below), whose sum is σ = 183134952. Its totient is φ = 22969440.
The previous prime is 69480799. The next prime is 69480847. The reversal of 69480828 is 82808496.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 41626 + ... + 43262.
Almost surely, 269480828 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 69480828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91567476).
69480828 is an abundant number, since it is smaller than the sum of its proper divisors (113654124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69480828 is a wasteful number, since it uses less digits than its factorization.
69480828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1784 (or 1773 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 69480828 is about 8335.5160608087. The cubic root of 69480828 is about 411.1071168402.
The spelling of 69480828 in words is "sixty-nine million, four hundred eighty thousand, eight hundred twenty-eight".
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