Base | Representation |
---|---|
bin | 1001010100101… |
… | …1110001100000 |
3 | 2201120212122121 |
4 | 2111023301200 |
5 | 40002421210 |
6 | 3514114024 |
7 | 653260363 |
oct | 225136140 |
9 | 81525577 |
10 | 39107680 |
11 | 200911a7 |
12 | 1111b914 |
13 | 8143651 |
14 | 52a00da |
15 | 36776da |
hex | 254bc60 |
39107680 has 24 divisors (see below), whose sum is σ = 92392272. Its totient is φ = 15643008.
The previous prime is 39107657. The next prime is 39107687. The reversal of 39107680 is 8670193.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39107687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122052 + ... + 122371.
It is an arithmetic number, because the mean of its divisors is an integer number (3849678).
Almost surely, 239107680 is an apocalyptic number.
It is an amenable number.
39107680 is an abundant number, since it is smaller than the sum of its proper divisors (53284592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39107680 is a wasteful number, since it uses less digits than its factorization.
39107680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244438 (or 244430 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 39107680 is about 6253.6133554930. The cubic root of 39107680 is about 339.4329648873.
The spelling of 39107680 in words is "thirty-nine million, one hundred seven thousand, six hundred eighty".
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