Base | Representation |
---|---|
bin | 1000010100000… |
… | …10100101011100 |
3 | 11212020012112000 |
4 | 10022002211130 |
5 | 120323202032 |
6 | 10530442300 |
7 | 1504534134 |
oct | 412024534 |
9 | 155205460 |
10 | 69740892 |
11 | 36404401 |
12 | 1b433390 |
13 | 115aa900 |
14 | 9395ac4 |
15 | 61c8e7c |
hex | 428295c |
69740892 has 72 divisors (see below), whose sum is σ = 195839280. Its totient is φ = 21453120.
The previous prime is 69740837. The next prime is 69740939. The reversal of 69740892 is 29804796.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16342 + ... + 20162.
It is an arithmetic number, because the mean of its divisors is an integer number (2719990).
Almost surely, 269740892 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 69740892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97919640).
69740892 is an abundant number, since it is smaller than the sum of its proper divisors (126098388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69740892 is a wasteful number, since it uses less digits than its factorization.
69740892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3860 (or 3839 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 69740892 is about 8351.1012447461. The cubic root of 69740892 is about 411.6193974658.
The spelling of 69740892 in words is "sixty-nine million, seven hundred forty thousand, eight hundred ninety-two".
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