Base | Representation |
---|---|
bin | 1111100001011101000101 |
3 | 21122201212201 |
4 | 33201131011 |
5 | 2020203224 |
6 | 223114501 |
7 | 46405345 |
oct | 17413505 |
9 | 7581781 |
10 | 4069189 |
11 | 232a273 |
12 | 1442a31 |
13 | ac6207 |
14 | 77cd25 |
15 | 555a44 |
hex | 3e1745 |
4069189 has 4 divisors (see below), whose sum is σ = 4109580. Its totient is φ = 4028800.
The previous prime is 4069187. The next prime is 4069199. The reversal of 4069189 is 9819604.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 136900 = 1983^2 + 370^2 .
It is a cyclic number.
It is not a de Polignac number, because 4069189 - 21 = 4069187 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4069187) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20044 + ... + 20245.
It is an arithmetic number, because the mean of its divisors is an integer number (1027395).
Almost surely, 24069189 is an apocalyptic number.
It is an amenable number.
4069189 is a deficient number, since it is larger than the sum of its proper divisors (40391).
4069189 is a wasteful number, since it uses less digits than its factorization.
4069189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40390.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 4069189 is about 2017.2230912817. The cubic root of 4069189 is about 159.6501339561.
The spelling of 4069189 in words is "four million, sixty-nine thousand, one hundred eighty-nine".
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