Base | Representation |
---|---|
bin | 1010001100001… |
… | …11100101011010 |
3 | 12221212100020200 |
4 | 11012013211122 |
5 | 133341140020 |
6 | 12252203030 |
7 | 2055440004 |
oct | 506074532 |
9 | 187770220 |
10 | 85490010 |
11 | 44290a01 |
12 | 24769476 |
13 | 14933208 |
14 | b4d5374 |
15 | 778a590 |
hex | 518795a |
85490010 has 24 divisors (see below), whose sum is σ = 222274260. Its totient is φ = 22797312.
The previous prime is 85489981. The next prime is 85490021. The reversal of 85490010 is 1009458.
It can be written as a sum of positive squares in 2 ways, for example, as 79334649 + 6155361 = 8907^2 + 2481^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474855 + ... + 475034.
Almost surely, 285490010 is an apocalyptic number.
85490010 is an abundant number, since it is smaller than the sum of its proper divisors (136784250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85490010 is a wasteful number, since it uses less digits than its factorization.
85490010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949902 (or 949899 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 85490010 is about 9246.0807913407. The cubic root of 85490010 is about 440.5262470709.
Adding to 85490010 its reverse (1009458), we get a palindrome (86499468).
The spelling of 85490010 in words is "eighty-five million, four hundred ninety thousand, ten".
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