Base | Representation |
---|---|
bin | 1010001000110… |
… | …01000110101101 |
3 | 12221000100111111 |
4 | 11010121012231 |
5 | 133232144420 |
6 | 12234352021 |
7 | 2051543461 |
oct | 504310655 |
9 | 187010444 |
10 | 85037485 |
11 | 44001a15 |
12 | 2458b611 |
13 | 14805250 |
14 | b4184a1 |
15 | 76eb45a |
hex | 51191ad |
85037485 has 32 divisors (see below), whose sum is σ = 119260512. Its totient is φ = 57630720.
The previous prime is 85037473. The next prime is 85037489. The reversal of 85037485 is 58473058.
It can be written as a sum of positive squares in 16 ways, for example, as 37785609 + 47251876 = 6147^2 + 6874^2 .
It is not a de Polignac number, because 85037485 - 27 = 85037357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85037489) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44367 + ... + 46243.
It is an arithmetic number, because the mean of its divisors is an integer number (3726891).
Almost surely, 285037485 is an apocalyptic number.
85037485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
85037485 is a deficient number, since it is larger than the sum of its proper divisors (34223027).
85037485 is a wasteful number, since it uses less digits than its factorization.
85037485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1953.
The product of its (nonzero) digits is 134400, while the sum is 40.
The square root of 85037485 is about 9221.5771427668. The cubic root of 85037485 is about 439.7475911132.
The spelling of 85037485 in words is "eighty-five million, thirty-seven thousand, four hundred eighty-five".
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