Base | Representation |
---|---|
bin | 1000010000101… |
… | …00101111101110 |
3 | 11211101100100222 |
4 | 10020110233232 |
5 | 120214302430 |
6 | 10513051342 |
7 | 1500651356 |
oct | 410245756 |
9 | 154340328 |
10 | 69290990 |
11 | 3612738a |
12 | 1b256b52 |
13 | 11480bb2 |
14 | 92b9b66 |
15 | 613a9e5 |
hex | 4214bee |
69290990 has 8 divisors (see below), whose sum is σ = 124723800. Its totient is φ = 27716392.
The previous prime is 69290989. The next prime is 69290993. The reversal of 69290990 is 9909296.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69290993) by changing a digit.
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, 3464540 + ... + 3464559.
It is an arithmetic number, because the mean of its divisors is an integer number (15590475).
Almost surely, 269290990 is an apocalyptic number.
69290990 is a deficient number, since it is larger than the sum of its proper divisors (55432810).
69290990 is a wasteful number, since it uses less digits than its factorization.
69290990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6929106.
The product of its (nonzero) digits is 78732, while the sum is 44.
The square root of 69290990 is about 8324.1209746135. The cubic root of 69290990 is about 410.7323614765.
The spelling of 69290990 in words is "sixty-nine million, two hundred ninety thousand, nine hundred ninety".
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