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8504245485 = 3556999379
BaseRepresentation
bin1111110101110010…
…00111110011101101
3210221200020102200000
413322321013303231
5114404041323420
63523511254513
7420512615421
oct77271076355
923850212600
108504245485
11367447455a
12179407a439
13a56b53728
145a9646b81
1534b901690
hex1fae47ced

8504245485 has 24 divisors (see below), whose sum is σ = 15286645920. Its totient is φ = 4535596944.

The previous prime is 8504245459. The next prime is 8504245507. The reversal of 8504245485 is 5845424058.

8504245485 is a `hidden beast` number, since 85 + 0 + 4 + 24 + 548 + 5 = 666.

It is not a de Polignac number, because 8504245485 - 27 = 8504245357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8504245485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3498475 + ... + 3500904.

It is an arithmetic number, because the mean of its divisors is an integer number (636943580).

Almost surely, 28504245485 is an apocalyptic number.

It is an amenable number.

8504245485 is a deficient number, since it is larger than the sum of its proper divisors (6782400435).

8504245485 is an equidigital number, since it uses as much as digits as its factorization.

8504245485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999399 (or 6999387 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 45.

The square root of 8504245485 is about 92218.4660737751. The cubic root of 8504245485 is about 2041.1672709837.

The spelling of 8504245485 in words is "eight billion, five hundred four million, two hundred forty-five thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 6999379 20998137 34996895 62994411 104990685 188983233 314972055 566949699 944916165 1700849097 2834748495 8504245485