Base | Representation |
---|---|
bin | 1100100111111110… |
… | …1001110000001001 |
3 | 22202011211021202202 |
4 | 3021333221300021 |
5 | 23420030002010 |
6 | 1320140005545 |
7 | 146660141615 |
oct | 31177516011 |
9 | 8664737682 |
10 | 3388906505 |
11 | 1489a49686 |
12 | 7a6b308b5 |
13 | 42014062a |
14 | 242120345 |
15 | 14c7b56a5 |
hex | c9fe9c09 |
3388906505 has 8 divisors (see below), whose sum is σ = 4206918600. Its totient is φ = 2617638016.
The previous prime is 3388906459. The next prime is 3388906513. The reversal of 3388906505 is 5056098833.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 15155449 + 3373751056 = 3893^2 + 58084^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3388906505 - 26 = 3388906441 is a prime.
It is a super-2 number, since 2×33889065052 = 22969374599262630050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 3388906505.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685740 + ... + 11686029.
It is an arithmetic number, because the mean of its divisors is an integer number (525864825).
Almost surely, 23388906505 is an apocalyptic number.
It is an amenable number.
3388906505 is a deficient number, since it is larger than the sum of its proper divisors (818012095).
3388906505 is a wasteful number, since it uses less digits than its factorization.
3388906505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23371803.
The product of its (nonzero) digits is 777600, while the sum is 47.
The square root of 3388906505 is about 58214.3152927182. The cubic root of 3388906505 is about 1502.0573997436.
The spelling of 3388906505 in words is "three billion, three hundred eighty-eight million, nine hundred six thousand, five hundred five".
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