Base | Representation |
---|---|
bin | 10010101001111101110111 |
3 | 100012110111011 |
4 | 102221331313 |
5 | 2222443422 |
6 | 252453051 |
7 | 56365660 |
oct | 22517567 |
9 | 10173434 |
10 | 4890487 |
11 | 2840328 |
12 | 177a187 |
13 | 1022ca4 |
14 | 914367 |
15 | 669077 |
hex | 4a9f77 |
4890487 has 4 divisors (see below), whose sum is σ = 5589136. Its totient is φ = 4191840.
The previous prime is 4890481. The next prime is 4890493. The reversal of 4890487 is 7840984.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (4890481) and next prime (4890493).
It is a cyclic number.
It is not a de Polignac number, because 4890487 - 215 = 4857719 is a prime.
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 3 ways as a sum of consecutive naturals, for example, 349314 + ... + 349327.
It is an arithmetic number, because the mean of its divisors is an integer number (1397284).
Almost surely, 24890487 is an apocalyptic number.
4890487 is a deficient number, since it is larger than the sum of its proper divisors (698649).
4890487 is an equidigital number, since it uses as much as digits as its factorization.
4890487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698648.
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 4890487 is about 2211.4445505144. Note that the first 3 decimals coincide. The cubic root of 4890487 is about 169.7399368494.
The spelling of 4890487 in words is "four million, eight hundred ninety thousand, four hundred eighty-seven".
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