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2245784871 = 31168054087
BaseRepresentation
bin1000010111011011…
…1111010100100111
312210111211200200110
42011312333110213
514044410103441
61010502544103
7106436566521
oct20566772447
95714750613
102245784871
11a52761460
12528138033
1329a3722b5
14174398a11
15d2262b16
hex85dbf527

2245784871 has 8 divisors (see below), whose sum is σ = 3266596224. Its totient is φ = 1361081720.

The previous prime is 2245784869. The next prime is 2245784887. The reversal of 2245784871 is 1784875422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245784871 - 21 = 2245784869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2245784871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245784851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34027011 + ... + 34027076.

It is an arithmetic number, because the mean of its divisors is an integer number (408324528).

Almost surely, 22245784871 is an apocalyptic number.

2245784871 is a deficient number, since it is larger than the sum of its proper divisors (1020811353).

2245784871 is a wasteful number, since it uses less digits than its factorization.

2245784871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68054101.

The product of its digits is 1003520, while the sum is 48.

The square root of 2245784871 is about 47389.7127127819. The cubic root of 2245784871 is about 1309.5519068421.

The spelling of 2245784871 in words is "two billion, two hundred forty-five million, seven hundred eighty-four thousand, eight hundred seventy-one".

Divisors: 1 3 11 33 68054087 204162261 748594957 2245784871