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8085085 = 53175101
BaseRepresentation
bin11110110101111001011101
3120012202122121
4132311321131
54032210320
6445142541
7125502451
oct36657135
916182577
108085085
114622498
12285aa51
1318a1098
141106661
15a9a8aa
hex7b5e5d

8085085 has 8 divisors (see below), whose sum is σ = 9734616. Its totient is φ = 6446400.

The previous prime is 8085083. The next prime is 8085101. The reversal of 8085085 is 5805808.

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 7214596 = 933^2 + 2686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8085085 - 21 = 8085083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8085085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (1216827).

Almost surely, 28085085 is an apocalyptic number.

It is an amenable number.

8085085 is a deficient number, since it is larger than the sum of its proper divisors (1649531).

8085085 is a wasteful number, since it uses less digits than its factorization.

8085085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 8085085 is about 2843.4283884072. The cubic root of 8085085 is about 200.7065427144.

The spelling of 8085085 in words is "eight million, eighty-five thousand, eighty-five".

Divisors: 1 5 317 1585 5101 25505 1617017 8085085