Base | Representation |
---|---|
bin | 1001011111110010001001 |
3 | 11200110221000 |
4 | 21133302021 |
5 | 1114130411 |
6 | 125205213 |
7 | 30105651 |
oct | 11376211 |
9 | 4613830 |
10 | 2489481 |
11 | 1450425 |
12 | a00809 |
13 | 692187 |
14 | 48b361 |
15 | 342956 |
hex | 25fc89 |
2489481 has 8 divisors (see below), whose sum is σ = 3688160. Its totient is φ = 1659636.
The previous prime is 2489477. The next prime is 2489483. The reversal of 2489481 is 1849842.
It is not a de Polignac number, because 2489481 - 22 = 2489477 is a prime.
It is a super-2 number, since 2×24894812 = 12395031298722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2489483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46075 + ... + 46128.
It is an arithmetic number, because the mean of its divisors is an integer number (461020).
22489481 is an apocalyptic number.
It is an amenable number.
2489481 is a deficient number, since it is larger than the sum of its proper divisors (1198679).
2489481 is an equidigital number, since it uses as much as digits as its factorization.
2489481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92212 (or 92206 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 2489481 is about 1577.8089237927. The cubic root of 2489481 is about 135.5302601680.
The spelling of 2489481 in words is "two million, four hundred eighty-nine thousand, four hundred eighty-one".
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