Base | Representation |
---|---|
bin | 10011000001100110000001 |
3 | 100101101020112 |
4 | 103001212001 |
5 | 2234043030 |
6 | 254521105 |
7 | 60251063 |
oct | 23014601 |
9 | 10341215 |
10 | 4987265 |
11 | 28a7008 |
12 | 1806195 |
13 | 105805a |
14 | 93b733 |
15 | 687a95 |
hex | 4c1981 |
4987265 has 4 divisors (see below), whose sum is σ = 5984724. Its totient is φ = 3989808.
The previous prime is 4987259. The next prime is 4987271. The reversal of 4987265 is 5627894.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5627894 = 2 ⋅2813947.
It is an interprime number because it is at equal distance from previous prime (4987259) and next prime (4987271).
It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 3857296 = 1063^2 + 1964^2 .
It is a cyclic number.
It is not a de Polignac number, because 4987265 - 28 = 4987009 is a prime.
It is a d-powerful number, because it can be written as 47 + 97 + 84 + 76 + 216 + 6 + 54 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498722 + ... + 498731.
It is an arithmetic number, because the mean of its divisors is an integer number (1496181).
Almost surely, 24987265 is an apocalyptic number.
It is an amenable number.
4987265 is a deficient number, since it is larger than the sum of its proper divisors (997459).
4987265 is an equidigital number, since it uses as much as digits as its factorization.
4987265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997458.
The product of its digits is 120960, while the sum is 41.
The square root of 4987265 is about 2233.2185293876. The cubic root of 4987265 is about 170.8522942799.
The spelling of 4987265 in words is "four million, nine hundred eighty-seven thousand, two hundred sixty-five".
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