Base | Representation |
---|---|
bin | 1000010001011… |
… | …00111110100110 |
3 | 11211120101112010 |
4 | 10020230332212 |
5 | 120230441441 |
6 | 10515135050 |
7 | 1501543632 |
oct | 410547646 |
9 | 154511463 |
10 | 69390246 |
11 | 36194a12 |
12 | 1b2a4486 |
13 | 114b7123 |
14 | 9303dc2 |
15 | 615a116 |
hex | 422cfa6 |
69390246 has 8 divisors (see below), whose sum is σ = 138780504. Its totient is φ = 23130080.
The previous prime is 69390227. The next prime is 69390271. The reversal of 69390246 is 64209396.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
69390246 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5782515 + ... + 5782526.
It is an arithmetic number, because the mean of its divisors is an integer number (17347563).
Almost surely, 269390246 is an apocalyptic number.
69390246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69390246 is a wasteful number, since it uses less digits than its factorization.
69390246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11565046.
The product of its (nonzero) digits is 69984, while the sum is 39.
The square root of 69390246 is about 8330.0807919251. The cubic root of 69390246 is about 410.9283860046.
The spelling of 69390246 in words is "sixty-nine million, three hundred ninety thousand, two hundred forty-six".
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