Base | Representation |
---|---|
bin | 1010001010111… |
… | …11011111101101 |
3 | 12221120000000000 |
4 | 11011133133231 |
5 | 133320411210 |
6 | 12244454513 |
7 | 2054154165 |
oct | 505373755 |
9 | 187500000 |
10 | 85325805 |
11 | 441895a4 |
12 | 246aa439 |
13 | 148a6556 |
14 | b4915a5 |
15 | 7756ac0 |
hex | 515f7ed |
85325805 has 66 divisors (see below), whose sum is σ = 163151466. Its totient is φ = 42830208.
The previous prime is 85325777. The next prime is 85325833. The reversal of 85325805 is 50852358.
It is an interprime number because it is at equal distance from previous prime (85325777) and next prime (85325833).
It can be written as a sum of positive squares in 3 ways, for example, as 28579716 + 56746089 = 5346^2 + 7533^2 .
It is not a de Polignac number, because 85325805 - 27 = 85325677 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 85325805.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 65 ways as a sum of consecutive naturals, for example, 5019157 + ... + 5019173.
Almost surely, 285325805 is an apocalyptic number.
85325805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
85325805 is a deficient number, since it is larger than the sum of its proper divisors (77825661).
85325805 is an frugal number, since it uses more digits than its factorization.
85325805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69 (or 25 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The square root of 85325805 is about 9237.1968150516. The cubic root of 85325805 is about 440.2440192589.
The spelling of 85325805 in words is "eighty-five million, three hundred twenty-five thousand, eight hundred five".
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