Base | Representation |
---|---|
bin | 1000010010100… |
… | …10001111101100 |
3 | 11211212010220200 |
4 | 10021102033230 |
5 | 120300333032 |
6 | 10522313500 |
7 | 1503050646 |
oct | 411221754 |
9 | 154763820 |
10 | 69542892 |
11 | 36289671 |
12 | 1b358890 |
13 | 1153b753 |
14 | 9343896 |
15 | 618a47c |
hex | 42523ec |
69542892 has 72 divisors (see below), whose sum is σ = 187439616. Its totient is φ = 21689184.
The previous prime is 69542881. The next prime is 69542897. The reversal of 69542892 is 29824596.
69542892 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
69542892 is strictly pandigital in base 9.
It is not an unprimeable number, because it can be changed into a prime (69542897) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38023 + ... + 39809.
It is an arithmetic number, because the mean of its divisors is an integer number (2603328).
Almost surely, 269542892 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 69542892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93719808).
69542892 is an abundant number, since it is smaller than the sum of its proper divisors (117896724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69542892 is a wasteful number, since it uses less digits than its factorization.
69542892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1867 (or 1862 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The square root of 69542892 is about 8339.2380946943. The cubic root of 69542892 is about 411.2294880492.
The spelling of 69542892 in words is "sixty-nine million, five hundred forty-two thousand, eight hundred ninety-two".
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