Base | Representation |
---|---|
bin | 1010001100010… |
… | …10001010011001 |
3 | 12221212212201202 |
4 | 11012022022121 |
5 | 133342004234 |
6 | 12252323545 |
7 | 2055512540 |
oct | 506121231 |
9 | 187785652 |
10 | 85500569 |
11 | 44298930 |
12 | 247735b5 |
13 | 14937c6b |
14 | b4d9157 |
15 | 778d77e |
hex | 518a299 |
85500569 has 8 divisors (see below), whose sum is σ = 106598208. Its totient is φ = 66623760.
The previous prime is 85500557. The next prime is 85500601. The reversal of 85500569 is 96500558.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85500569 - 220 = 84451993 is a prime.
It is a super-2 number, since 2×855005692 = 14620694598647522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85500529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555122 + ... + 555275.
It is an arithmetic number, because the mean of its divisors is an integer number (13324776).
Almost surely, 285500569 is an apocalyptic number.
It is an amenable number.
85500569 is a deficient number, since it is larger than the sum of its proper divisors (21097639).
85500569 is a wasteful number, since it uses less digits than its factorization.
85500569 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1110415.
The product of its (nonzero) digits is 54000, while the sum is 38.
The square root of 85500569 is about 9246.6517723985. The cubic root of 85500569 is about 440.5443830112.
The spelling of 85500569 in words is "eighty-five million, five hundred thousand, five hundred sixty-nine".
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