Base | Representation |
---|---|
bin | 1010001100111… |
… | …10011001111111 |
3 | 12222001002110210 |
4 | 11012132121333 |
5 | 133402132422 |
6 | 12254203503 |
7 | 2056306353 |
oct | 506363177 |
9 | 188032423 |
10 | 85583487 |
11 | 44345160 |
12 | 247b3593 |
13 | 14966922 |
14 | b51b463 |
15 | 77a810c |
hex | 519e67f |
85583487 has 8 divisors (see below), whose sum is σ = 124485120. Its totient is φ = 51868760.
The previous prime is 85583447. The next prime is 85583507. The reversal of 85583487 is 78438558.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85583487 - 216 = 85517951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85583417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296687 + ... + 1296752.
It is an arithmetic number, because the mean of its divisors is an integer number (15560640).
Almost surely, 285583487 is an apocalyptic number.
85583487 is a deficient number, since it is larger than the sum of its proper divisors (38901633).
85583487 is a wasteful number, since it uses less digits than its factorization.
85583487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2593453.
The product of its digits is 1075200, while the sum is 48.
The square root of 85583487 is about 9251.1343628768. The cubic root of 85583487 is about 440.6867495372.
Subtracting from 85583487 its reverse (78438558), we obtain a square (7144929 = 26732).
The spelling of 85583487 in words is "eighty-five million, five hundred eighty-three thousand, four hundred eighty-seven".
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