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2245201287 = 374118114407
BaseRepresentation
bin1000010111010011…
…0000110110000111
312210110202001011020
42011310300312013
514044232420122
61010442242223
7106431616230
oct20564606607
95713661136
102245201287
11a523a2a5a
12527ab6373
1329a1c9794
14174286087
15d2199c5c
hex85d30d87

2245201287 has 32 divisors (see below), whose sum is σ = 3524312064. Its totient is φ = 1244678400.

The previous prime is 2245201267. The next prime is 2245201297. The reversal of 2245201287 is 7821025422.

It is not a de Polignac number, because 2245201287 - 210 = 2245200263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245201207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148638 + ... + 163044.

It is an arithmetic number, because the mean of its divisors is an integer number (110134752).

Almost surely, 22245201287 is an apocalyptic number.

2245201287 is a deficient number, since it is larger than the sum of its proper divisors (1279110777).

2245201287 is a wasteful number, since it uses less digits than its factorization.

2245201287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14639.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2245201287 is about 47383.5550270344. Note that the first 3 decimals coincide. The cubic root of 2245201287 is about 1309.4384647286.

The spelling of 2245201287 in words is "two billion, two hundred forty-five million, two hundred one thousand, two hundred eighty-seven".

Divisors: 1 3 7 21 41 123 181 287 543 861 1267 3801 7421 14407 22263 43221 51947 100849 155841 302547 590687 1772061 2607667 4134809 7823001 12404427 18253669 54761007 106914347 320743041 748400429 2245201287