Base | Representation |
---|---|
bin | 1010001110101… |
… | …01111001000000 |
3 | 12222110122020000 |
4 | 11013111321000 |
5 | 133431421002 |
6 | 12303120000 |
7 | 2061244056 |
oct | 507257100 |
9 | 188418200 |
10 | 85810752 |
11 | 4448a985 |
12 | 248a3000 |
13 | 14a161c1 |
14 | b57a1d6 |
15 | 780061c |
hex | 51d5e40 |
85810752 has 70 divisors (see below), whose sum is σ = 254385318. Its totient is φ = 28601856.
The previous prime is 85810741. The next prime is 85810787. The reversal of 85810752 is 25701858.
85810752 is a `hidden beast` number, since 8 + 581 + 0 + 75 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 84934656 + 876096 = 9216^2 + 936^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3093 + ... + 13460.
Almost surely, 285810752 is an apocalyptic number.
It is an amenable number.
85810752 is an abundant number, since it is smaller than the sum of its proper divisors (168574566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85810752 is a wasteful number, since it uses less digits than its factorization.
85810752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16577 (or 16558 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 36.
The square root of 85810752 is about 9263.4093075930. The cubic root of 85810752 is about 441.0764826393.
The spelling of 85810752 in words is "eighty-five million, eight hundred ten thousand, seven hundred fifty-two".
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