Base | Representation |
---|---|
bin | 1001011101011… |
… | …1100000100001 |
3 | 2202122221202212 |
4 | 2113113200201 |
5 | 40124230113 |
6 | 3534251505 |
7 | 661163141 |
oct | 227274041 |
9 | 82587685 |
10 | 39680033 |
11 | 20442218 |
12 | 11356b95 |
13 | 82b4013 |
14 | 53ac921 |
15 | 373c0a8 |
hex | 25d7821 |
39680033 has 8 divisors (see below), whose sum is σ = 41428200. Its totient is φ = 37957248.
The previous prime is 39680009. The next prime is 39680051. The reversal of 39680033 is 33008693.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 23261329 + 16418704 = 4823^2 + 4052^2 .
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 39680033 - 28 = 39679777 is a prime.
It is a super-3 number, since 3×396800333 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (39680833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3116 + ... + 9437.
It is an arithmetic number, because the mean of its divisors is an integer number (5178525).
Almost surely, 239680033 is an apocalyptic number.
It is an amenable number.
39680033 is a deficient number, since it is larger than the sum of its proper divisors (1748167).
39680033 is a wasteful number, since it uses less digits than its factorization.
39680033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12691.
The product of its (nonzero) digits is 11664, while the sum is 32.
The square root of 39680033 is about 6299.2089185865. The cubic root of 39680033 is about 341.0808538849.
The spelling of 39680033 in words is "thirty-nine million, six hundred eighty thousand, thirty-three".
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