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2040255 = 335717127
BaseRepresentation
bin111110010000110111111
310211122201000
413302012333
51010242010
6111421343
723225160
oct7620677
93748630
102040255
111173968
12824853
13565869
143b1767
152a47c0
hex1f21bf

2040255 has 64 divisors (see below), whose sum is σ = 4423680. Its totient is φ = 870912.

The previous prime is 2040253. The next prime is 2040263. The reversal of 2040255 is 5520402.

It is not a de Polignac number, because 2040255 - 21 = 2040253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16002 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

22040255 is an apocalyptic number.

2040255 is an abundant number, since it is smaller than the sum of its proper divisors (2383425).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040255 is a wasteful number, since it uses less digits than its factorization.

2040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2040255 is about 1428.3749507745. The cubic root of 2040255 is about 126.8317983256.

Adding to 2040255 its reverse (5520402), we get a palindrome (7560657).

The spelling of 2040255 in words is "two million, forty thousand, two hundred fifty-five".

Divisors: 1 3 5 7 9 15 17 21 27 35 45 51 63 85 105 119 127 135 153 189 255 315 357 381 459 595 635 765 889 945 1071 1143 1785 1905 2159 2295 2667 3213 3429 4445 5355 5715 6477 8001 10795 13335 15113 16065 17145 19431 24003 32385 40005 45339 58293 75565 97155 120015 136017 226695 291465 408051 680085 2040255