Base | Representation |
---|---|
bin | 1000010100000… |
… | …10111111000010 |
3 | 11212020021202200 |
4 | 10022002333002 |
5 | 120323230110 |
6 | 10530454030 |
7 | 1504541664 |
oct | 412027702 |
9 | 155207680 |
10 | 69742530 |
11 | 36405660 |
12 | 1b434316 |
13 | 115ab590 |
14 | 9396534 |
15 | 61c96c0 |
hex | 4282fc2 |
69742530 has 96 divisors (see below), whose sum is σ = 213071040. Its totient is φ = 15603840.
The previous prime is 69742523. The next prime is 69742549. The reversal of 69742530 is 3524796.
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 47 ways as a sum of consecutive naturals, for example, 10161 + ... + 15579.
It is an arithmetic number, because the mean of its divisors is an integer number (2219490).
Almost surely, 269742530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69742530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106535520).
69742530 is an abundant number, since it is smaller than the sum of its proper divisors (143328510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69742530 is a wasteful number, since it uses less digits than its factorization.
69742530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5456 (or 5453 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 69742530 is about 8351.1993150685. The cubic root of 69742530 is about 411.6226200003.
The spelling of 69742530 in words is "sixty-nine million, seven hundred forty-two thousand, five hundred thirty".
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