Base | Representation |
---|---|
bin | 1111001101111110010011 |
3 | 21111200102101 |
4 | 33031332103 |
5 | 2010130040 |
6 | 221301231 |
7 | 45623614 |
oct | 17157623 |
9 | 7450371 |
10 | 3989395 |
11 | 2285323 |
12 | 1404817 |
13 | a98ab7 |
14 | 75bc0b |
15 | 53c09a |
hex | 3cdf93 |
3989395 has 8 divisors (see below), whose sum is σ = 4845456. Its totient is φ = 3152736.
The previous prime is 3989393. The next prime is 3989413. The reversal of 3989395 is 5939893.
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 3989395 - 21 = 3989393 is a prime.
It is a super-5 number, since 5×39893955 (a number of 34 digits) contains 55555 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3989393) 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, 4392 + ... + 5221.
It is an arithmetic number, because the mean of its divisors is an integer number (605682).
Almost surely, 23989395 is an apocalyptic number.
3989395 is a deficient number, since it is larger than the sum of its proper divisors (856061).
3989395 is an equidigital number, since it uses as much as digits as its factorization.
3989395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9701.
The product of its digits is 262440, while the sum is 46.
The square root of 3989395 is about 1997.3469903850. The cubic root of 3989395 is about 158.5996944677.
The spelling of 3989395 in words is "three million, nine hundred eighty-nine thousand, three hundred ninety-five".
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