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4249481 is a prime number
BaseRepresentation
bin10000001101011110001001
321222220012012
4100031132021
52041440411
6231025305
751056105
oct20153611
97886165
104249481
112442775
12150b235
13b5a2b2
147c8905
1558e18b
hex40d789

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".