Base | Representation |
---|---|
bin | 11010111110000010010010 |
3 | 111022012000000 |
4 | 122332002102 |
5 | 3302213332 |
6 | 411310430 |
7 | 114043533 |
oct | 32760222 |
9 | 14265000 |
10 | 7069842 |
11 | 3a9974a |
12 | 244b416 |
13 | 1606c50 |
14 | d2068a |
15 | 949b7c |
hex | 6be092 |
7069842 has 56 divisors (see below), whose sum is σ = 17168844. Its totient is φ = 2169504.
The previous prime is 7069801. The next prime is 7069847. The reversal of 7069842 is 2489607.
It can be written as a sum of positive squares in 2 ways, for example, as 6859161 + 210681 = 2619^2 + 459^2 .
It is a junction number, because it is equal to n+sod(n) for n = 7069797 and 7069806.
It is not an unprimeable number, because it can be changed into a prime (7069847) 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 27 ways as a sum of consecutive naturals, for example, 18768 + ... + 19140.
Almost surely, 27069842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7069842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8584422).
7069842 is an abundant number, since it is smaller than the sum of its proper divisors (10099002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7069842 is a wasteful number, since it uses less digits than its factorization.
7069842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406 (or 391 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 7069842 is about 2658.9174488878. The cubic root of 7069842 is about 191.9272185079.
The spelling of 7069842 in words is "seven million, sixty-nine thousand, eight hundred forty-two".
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