Base | Representation |
---|---|
bin | 1111001111011001101101 |
3 | 21111222110001 |
4 | 33033121231 |
5 | 2010321440 |
6 | 221344301 |
7 | 45646642 |
oct | 17173155 |
9 | 7458401 |
10 | 3995245 |
11 | 2289761 |
12 | 1408091 |
13 | a9b667 |
14 | 75ddc9 |
15 | 53db9a |
hex | 3cf66d |
3995245 has 8 divisors (see below), whose sum is σ = 4911480. Its totient is φ = 3118080.
The previous prime is 3995231. The next prime is 3995269. The reversal of 3995245 is 5425993.
It can be written as a sum of positive squares in 4 ways, for example, as 320356 + 3674889 = 566^2 + 1917^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3995245 - 29 = 3994733 is a prime.
It is a super-2 number, since 2×39952452 = 31923965220050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9540 + ... + 9949.
It is an arithmetic number, because the mean of its divisors is an integer number (613935).
Almost surely, 23995245 is an apocalyptic number.
It is an amenable number.
3995245 is a deficient number, since it is larger than the sum of its proper divisors (916235).
3995245 is a wasteful number, since it uses less digits than its factorization.
3995245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19535.
The product of its digits is 48600, while the sum is 37.
The square root of 3995245 is about 1998.8108965082. The cubic root of 3995245 is about 158.6771794892.
Subtracting from 3995245 its product of digits (48600), we obtain a triangular number (3946645 = T2809).
The spelling of 3995245 in words is "three million, nine hundred ninety-five thousand, two hundred forty-five".
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