Base | Representation |
---|---|
bin | 1000011100110… |
… | …01111010001000 |
3 | 11221101022221101 |
4 | 10032121322020 |
5 | 121121310000 |
6 | 11011151144 |
7 | 1520340544 |
oct | 416317210 |
9 | 157338841 |
10 | 70885000 |
11 | 37015a4a |
12 | 1b8a54b4 |
13 | 118bb5b4 |
14 | 95b2a24 |
15 | 6352e6a |
hex | 4399e88 |
70885000 has 40 divisors (see below), whose sum is σ = 166095270. Its totient is φ = 28352000.
The previous prime is 70884959. The next prime is 70885021. The reversal of 70885000 is 58807.
It can be written as a sum of positive squares in 5 ways, for example, as 14424804 + 56460196 = 3798^2 + 7514^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 70885000.
It is a congruent number.
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, 2089 + ... + 12088.
Almost surely, 270885000 is an apocalyptic number.
It is an amenable number.
70885000 is an abundant number, since it is smaller than the sum of its proper divisors (95210270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70885000 is a wasteful number, since it uses less digits than its factorization.
70885000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14203 (or 14184 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 70885000 is about 8419.3230131644. The cubic root of 70885000 is about 413.8580888517.
The spelling of 70885000 in words is "seventy million, eight hundred eighty-five thousand".
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