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8540002485 = 3257219203843
BaseRepresentation
bin1111111010000011…
…00001100010110101
3211001011112002001100
413331001201202311
5114442220034420
63531225520313
7421425552300
oct77501414265
924034462040
108540002485
1136926772a3
1217a4043099
13a61392c11
145b02b3b37
1534eb16190
hex1fd0618b5

8540002485 has 72 divisors (see below), whose sum is σ = 18125808480. Its totient is φ = 3698509248.

The previous prime is 8540002483. The next prime is 8540002553. The reversal of 8540002485 is 5842000458.

8540002485 is a `hidden beast` number, since 8 + 5 + 400 + 0 + 248 + 5 = 666.

It is not a de Polignac number, because 8540002485 - 21 = 8540002483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540002483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60027 + ... + 143816.

It is an arithmetic number, because the mean of its divisors is an integer number (251747340).

Almost surely, 28540002485 is an apocalyptic number.

It is an amenable number.

8540002485 is an abundant number, since it is smaller than the sum of its proper divisors (9585805995).

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

8540002485 is a wasteful number, since it uses less digits than its factorization.

8540002485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203887 (or 203877 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 8540002485 is about 92412.1338623884. The cubic root of 8540002485 is about 2044.0240387803.

The spelling of 8540002485 in words is "eight billion, five hundred forty million, two thousand, four hundred eighty-five".

Divisors: 1 3 5 7 9 15 19 21 35 45 49 57 63 95 105 133 147 171 245 285 315 399 441 665 735 855 931 1197 1995 2205 2793 4655 5985 8379 13965 41895 203843 611529 1019215 1426901 1834587 3057645 3873017 4280703 7134505 9172935 9988307 11619051 12842109 19365085 21403515 27111119 29964921 34857153 49941535 58095255 64210545 81333357 89894763 135555595 149824605 174285765 189777833 244000071 406666785 449473815 569333499 948889165 1220000355 1708000497 2846667495 8540002485