Base | Representation |
---|---|
bin | 1010001010111… |
… | …01110001010101 |
3 | 12221112122022101 |
4 | 11011131301111 |
5 | 133320144431 |
6 | 12244402101 |
7 | 2054124454 |
oct | 505356125 |
9 | 187478271 |
10 | 85318741 |
11 | 44184262 |
12 | 246a6331 |
13 | 148a3281 |
14 | b48cb9b |
15 | 7754961 |
hex | 515dc55 |
85318741 has 4 divisors (see below), whose sum is σ = 85891500. Its totient is φ = 84745984.
The previous prime is 85318691. The next prime is 85318757. The reversal of 85318741 is 14781358.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 25704900 + 59613841 = 5070^2 + 7721^2 .
It is a cyclic number.
It is not a de Polignac number, because 85318741 - 225 = 51764309 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 85318741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85318241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286156 + ... + 286453.
It is an arithmetic number, because the mean of its divisors is an integer number (21472875).
Almost surely, 285318741 is an apocalyptic number.
It is an amenable number.
85318741 is a deficient number, since it is larger than the sum of its proper divisors (572759).
85318741 is a wasteful number, since it uses less digits than its factorization.
85318741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572758.
The product of its digits is 26880, while the sum is 37.
The square root of 85318741 is about 9236.8144400545. The cubic root of 85318741 is about 440.2318698683.
The spelling of 85318741 in words is "eighty-five million, three hundred eighteen thousand, seven hundred forty-one".
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