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2245628971 is a prime number
BaseRepresentation
bin1000010111011001…
…1001010000101011
312210111112202211101
42011312121100223
514044340111341
61010455342231
7106435350145
oct20566312053
95714482741
102245628971
11a52665313
12528081977
1329a319351
14174357c95
15d2231831
hex85d9942b

2245628971 has 2 divisors, whose sum is σ = 2245628972. Its totient is φ = 2245628970.

The previous prime is 2245628953. The next prime is 2245628977. The reversal of 2245628971 is 1798265422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2245628971 - 25 = 2245628939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245628977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122814485 + 1122814486.

It is an arithmetic number, because the mean of its divisors is an integer number (1122814486).

Almost surely, 22245628971 is an apocalyptic number.

2245628971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245628971 is an equidigital number, since it uses as much as digits as its factorization.

2245628971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 2245628971 is about 47388.0678124779. The cubic root of 2245628971 is about 1309.5216035735.

The spelling of 2245628971 in words is "two billion, two hundred forty-five million, six hundred twenty-eight thousand, nine hundred seventy-one".