Base | Representation |
---|---|
bin | 1000010010001… |
… | …00011100000100 |
3 | 11211202021100011 |
4 | 10021010130010 |
5 | 120242030330 |
6 | 10521200004 |
7 | 1502424040 |
oct | 411043404 |
9 | 154667304 |
10 | 69486340 |
11 | 36250130 |
12 | 1b330004 |
13 | 1151baa1 |
14 | 932b020 |
15 | 617882a |
hex | 4244704 |
69486340 has 48 divisors (see below), whose sum is σ = 181931904. Its totient is φ = 21657600.
The previous prime is 69486337. The next prime is 69486341. The reversal of 69486340 is 4368496.
It is a junction number, because it is equal to n+sod(n) for n = 69486293 and 69486302.
It is not an unprimeable number, because it can be changed into a prime (69486341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21021 + ... + 24100.
It is an arithmetic number, because the mean of its divisors is an integer number (3790248).
Almost surely, 269486340 is an apocalyptic number.
It is an amenable number.
69486340 is an abundant number, since it is smaller than the sum of its proper divisors (112445564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69486340 is a wasteful number, since it uses less digits than its factorization.
69486340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45148 (or 45146 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 40.
The square root of 69486340 is about 8335.8466876497. The cubic root of 69486340 is about 411.1179877647.
The spelling of 69486340 in words is "sixty-nine million, four hundred eighty-six thousand, three hundred forty".
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