Base | Representation |
---|---|
bin | 1010001100111… |
… | …10111001001111 |
3 | 12222001012012212 |
4 | 11012132321033 |
5 | 133402213422 |
6 | 12254221035 |
7 | 2056315241 |
oct | 506367117 |
9 | 188035185 |
10 | 85585487 |
11 | 44346709 |
12 | 247b477b |
13 | 14967800 |
14 | b51c091 |
15 | 77a89e2 |
hex | 519ee4f |
85585487 has 6 divisors (see below), whose sum is σ = 92675592. Its totient is φ = 79001832.
The previous prime is 85585469. The next prime is 85585537. The reversal of 85585487 is 78458558.
It is not a de Polignac number, because 85585487 - 210 = 85584463 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 (85585457) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253043 + ... + 253380.
It is an arithmetic number, because the mean of its divisors is an integer number (15445932).
Almost surely, 285585487 is an apocalyptic number.
85585487 is a deficient number, since it is larger than the sum of its proper divisors (7090105).
85585487 is a wasteful number, since it uses less digits than its factorization.
85585487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506449 (or 506436 counting only the distinct ones).
The product of its digits is 1792000, while the sum is 50.
The square root of 85585487 is about 9251.2424570973. The cubic root of 85585487 is about 440.6901823125.
The spelling of 85585487 in words is "eighty-five million, five hundred eighty-five thousand, four hundred eighty-seven".
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