Search a number
-
+
45249293 is a prime number
BaseRepresentation
bin1010110010011…
…1001100001101
310011010220100202
42230213030031
543040434133
64253503245
71056420065
oct254471415
9104126322
1045249293
11235a6511
12131a1b25
1394b3c3b
14601c3a5
153e8c2e8
hex2b2730d

45249293 has 2 divisors, whose sum is σ = 45249294. Its totient is φ = 45249292.

The previous prime is 45249271. The next prime is 45249311. The reversal of 45249293 is 39294254.

It is a happy number.

45249293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45185284 + 64009 = 6722^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 45249293 - 26 = 45249229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45249233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22624646 + 22624647.

It is an arithmetic number, because the mean of its divisors is an integer number (22624647).

Almost surely, 245249293 is an apocalyptic number.

It is an amenable number.

45249293 is a deficient number, since it is larger than the sum of its proper divisors (1).

45249293 is an equidigital number, since it uses as much as digits as its factorization.

45249293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 45249293 is about 6726.7594724354. The cubic root of 45249293 is about 356.3449424595.

The spelling of 45249293 in words is "forty-five million, two hundred forty-nine thousand, two hundred ninety-three".