Base | Representation |
---|---|
bin | 10010101101100011100101 |
3 | 100020012122200 |
4 | 102231203211 |
5 | 2223431224 |
6 | 253045113 |
7 | 56456562 |
oct | 22554345 |
9 | 10205580 |
10 | 4905189 |
11 | 2850383 |
12 | 1786799 |
13 | 10298a3 |
14 | 919869 |
15 | 66d5c9 |
hex | 4ad8e5 |
4905189 has 12 divisors (see below), whose sum is σ = 7176000. Its totient is φ = 3228264.
The previous prime is 4905181. The next prime is 4905209. The reversal of 4905189 is 9815094.
It is not a de Polignac number, because 4905189 - 23 = 4905181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4905181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2739 + ... + 4160.
It is an arithmetic number, because the mean of its divisors is an integer number (598000).
Almost surely, 24905189 is an apocalyptic number.
It is an amenable number.
4905189 is a deficient number, since it is larger than the sum of its proper divisors (2270811).
4905189 is a wasteful number, since it uses less digits than its factorization.
4905189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6984 (or 6981 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 4905189 is about 2214.7661276081. The cubic root of 4905189 is about 169.9098599408.
The spelling of 4905189 in words is "four million, nine hundred five thousand, one hundred eighty-nine".
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