Base | Representation |
---|---|
bin | 1010001010111… |
… | …00111000001000 |
3 | 12221112110021210 |
4 | 11011130320020 |
5 | 133320040310 |
6 | 12244333120 |
7 | 2054111004 |
oct | 505347010 |
9 | 187473253 |
10 | 85315080 |
11 | 44181534 |
12 | 246a41a0 |
13 | 148a16c6 |
14 | b48b704 |
15 | 7753820 |
hex | 515ce08 |
85315080 has 32 divisors (see below), whose sum is σ = 255945600. Its totient is φ = 22750656.
The previous prime is 85315067. The next prime is 85315099. The reversal of 85315080 is 8051358.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355360 + ... + 355599.
It is an arithmetic number, because the mean of its divisors is an integer number (7998300).
Almost surely, 285315080 is an apocalyptic number.
It is an amenable number.
85315080 is an abundant number, since it is smaller than the sum of its proper divisors (170630520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85315080 is a wasteful number, since it uses less digits than its factorization.
85315080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710973 (or 710969 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 85315080 is about 9236.6162635459. The cubic root of 85315080 is about 440.2255730418.
The spelling of 85315080 in words is "eighty-five million, three hundred fifteen thousand, eighty".
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