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4248991 is a prime number
BaseRepresentation
bin10000001101010110011111
321222212112001
4100031112133
52041431431
6231023131
751054505
oct20152637
97885461
104248991
11244236a
12150aaa7
13b59cc6
147c8675
1558de61
hex40d59f

4248991 has 2 divisors, whose sum is σ = 4248992. Its totient is φ = 4248990.

The previous prime is 4248983. The next prime is 4249067. The reversal of 4248991 is 1998424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4248991 - 23 = 4248983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4248991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124495 + 2124496.

It is an arithmetic number, because the mean of its divisors is an integer number (2124496).

Almost surely, 24248991 is an apocalyptic number.

4248991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248991 is an equidigital number, since it uses as much as digits as its factorization.

4248991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 4248991 is about 2061.3080798367. The cubic root of 4248991 is about 161.9677703501.

The spelling of 4248991 in words is "four million, two hundred forty-eight thousand, nine hundred ninety-one".