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2245428185 = 572111364091
BaseRepresentation
bin1000010111010110…
…1000001111011001
312210111011120101212
42011311220033121
514044312200220
61010451152505
7106433552600
oct20565501731
95714146355
102245428185
11a52538480
12527ba5735
1329a278b40
14174304a37
15d21e20c5
hex85d683d9

2245428185 has 48 divisors (see below), whose sum is σ = 3682469952. Its totient is φ = 1292054400.

The previous prime is 2245428173. The next prime is 2245428209. The reversal of 2245428185 is 5818245422.

2245428185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2245428185 - 26 = 2245428121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2990 + ... + 67080.

It is an arithmetic number, because the mean of its divisors is an integer number (76718124).

Almost surely, 22245428185 is an apocalyptic number.

It is an amenable number.

2245428185 is a deficient number, since it is larger than the sum of its proper divisors (1437041767).

2245428185 is a wasteful number, since it uses less digits than its factorization.

2245428185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64134 (or 64127 counting only the distinct ones).

The product of its digits is 204800, while the sum is 41.

The square root of 2245428185 is about 47385.9492360341. The cubic root of 2245428185 is about 1309.4825734628.

The spelling of 2245428185 in words is "two billion, two hundred forty-five million, four hundred twenty-eight thousand, one hundred eighty-five".

Divisors: 1 5 7 11 13 35 49 55 65 77 91 143 245 385 455 539 637 715 1001 2695 3185 5005 7007 35035 64091 320455 448637 705001 833183 2243185 3140459 3525005 4165915 4935007 5832281 9165013 15702295 24675035 29161405 34545049 40825967 45825065 64155091 172725245 204129835 320775455 449085637 2245428185