Base | Representation |
---|---|
bin | 10000001101011110001001 |
3 | 21222220012012 |
4 | 100031132021 |
5 | 2041440411 |
6 | 231025305 |
7 | 51056105 |
oct | 20153611 |
9 | 7886165 |
10 | 4249481 |
11 | 2442775 |
12 | 150b235 |
13 | b5a2b2 |
14 | 7c8905 |
15 | 58e18b |
hex | 40d789 |
4249481 has 2 divisors, whose sum is σ = 4249482. Its totient is φ = 4249480.
The previous prime is 4249477. The next prime is 4249501. The reversal of 4249481 is 1849424.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4239481 + 10000 = 2059^2 + 100^2 .
It is a cyclic number.
It is not a de Polignac number, because 4249481 - 22 = 4249477 is a prime.
It is a super-2 number, since 2×42494812 = 36116177538722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4249451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124740 + 2124741.
It is an arithmetic number, because the mean of its divisors is an integer number (2124741).
Almost surely, 24249481 is an apocalyptic number.
It is an amenable number.
4249481 is a deficient number, since it is larger than the sum of its proper divisors (1).
4249481 is an equidigital number, since it uses as much as digits as its factorization.
4249481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 32.
The square root of 4249481 is about 2061.4269329763. The cubic root of 4249481 is about 161.9739962326.
The spelling of 4249481 in words is "four million, two hundred forty-nine thousand, four hundred eighty-one".
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