Base | Representation |
---|---|
bin | 10010101001111101111001 |
3 | 100012110111020 |
4 | 102221331321 |
5 | 2222443424 |
6 | 252453053 |
7 | 56365662 |
oct | 22517571 |
9 | 10173436 |
10 | 4890489 |
11 | 284032a |
12 | 177a189 |
13 | 1022ca6 |
14 | 914369 |
15 | 669079 |
hex | 4a9f79 |
4890489 has 16 divisors (see below), whose sum is σ = 6699072. Its totient is φ = 3172608.
The previous prime is 4890481. The next prime is 4890493. The reversal of 4890489 is 9840984.
It is not a de Polignac number, because 4890489 - 23 = 4890481 is a prime.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 4890489.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4890481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29922 + ... + 30084.
It is an arithmetic number, because the mean of its divisors is an integer number (418692).
Almost surely, 24890489 is an apocalyptic number.
It is an amenable number.
4890489 is a deficient number, since it is larger than the sum of its proper divisors (1808583).
4890489 is a wasteful number, since it uses less digits than its factorization.
4890489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 4890489 is about 2211.4450027075. The cubic root of 4890489 is about 169.7399599881.
The spelling of 4890489 in words is "four million, eight hundred ninety thousand, four hundred eighty-nine".
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