Base | Representation |
---|---|
bin | 1001010100010… |
… | …0111100001010 |
3 | 2201112110020221 |
4 | 2111010330022 |
5 | 40001022230 |
6 | 3513340254 |
7 | 653112646 |
oct | 225047412 |
9 | 81473227 |
10 | 39079690 |
11 | 20072171 |
12 | 1110768a |
13 | 81339a0 |
14 | 5293c26 |
15 | 366e27a |
hex | 2544f0a |
39079690 has 32 divisors (see below), whose sum is σ = 77527296. Its totient is φ = 14091840.
The previous prime is 39079687. The next prime is 39079697. The reversal of 39079690 is 9697093.
It is a super-2 number, since 2×390796902 = 3054444340992200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is not an unprimeable number, because it can be changed into a prime (39079697) 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 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 9085.
It is an arithmetic number, because the mean of its divisors is an integer number (2422728).
Almost surely, 239079690 is an apocalyptic number.
39079690 is a deficient number, since it is larger than the sum of its proper divisors (38447606).
39079690 is a wasteful number, since it uses less digits than its factorization.
39079690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7054.
The product of its (nonzero) digits is 91854, while the sum is 43.
The square root of 39079690 is about 6251.3750487393. The cubic root of 39079690 is about 339.3519663367.
The spelling of 39079690 in words is "thirty-nine million, seventy-nine thousand, six hundred ninety".
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