Search a number
-
+
45570971 is a prime number
BaseRepresentation
bin1010110111010…
…1101110011011
310011202020121202
42231311232123
543131232341
64304424415
71062226655
oct255655633
9104666552
1045570971
11237a6166
121331810b
139597494
1460a36d5
15400279b
hex2b75b9b

45570971 has 2 divisors, whose sum is σ = 45570972. Its totient is φ = 45570970.

The previous prime is 45570947. The next prime is 45570989. The reversal of 45570971 is 17907554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45570971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45570991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22785485 + 22785486.

It is an arithmetic number, because the mean of its divisors is an integer number (22785486).

Almost surely, 245570971 is an apocalyptic number.

45570971 is a deficient number, since it is larger than the sum of its proper divisors (1).

45570971 is an equidigital number, since it uses as much as digits as its factorization.

45570971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 45570971 is about 6750.6274523188. The cubic root of 45570971 is about 357.1873700937.

The spelling of 45570971 in words is "forty-five million, five hundred seventy thousand, nine hundred seventy-one".