Base | Representation |
---|---|
bin | 1000010110101… |
… | …00000101101010 |
3 | 11212212011110101 |
4 | 10023110011222 |
5 | 120414342410 |
6 | 10541540014 |
7 | 1510424335 |
oct | 413240552 |
9 | 155764411 |
10 | 70074730 |
11 | 36612200 |
12 | 1b57460a |
13 | 1169684b |
14 | 944161c |
15 | 6242d3a |
hex | 42d416a |
70074730 has 48 divisors (see below), whose sum is σ = 143496360. Its totient is φ = 24590720.
The previous prime is 70074691. The next prime is 70074749. The reversal of 70074730 is 3747007.
It can be written as a sum of positive squares in 4 ways, for example, as 36469521 + 33605209 = 6039^2 + 5797^2 .
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 34092 + ... + 36088.
Almost surely, 270074730 is an apocalyptic number.
70074730 is an abundant number, since it is smaller than the sum of its proper divisors (73421630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70074730 is a wasteful number, since it uses less digits than its factorization.
70074730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2055 (or 2044 counting only the distinct ones).
The product of its (nonzero) digits is 4116, while the sum is 28.
The square root of 70074730 is about 8371.0650457394. The cubic root of 70074730 is about 412.2751367033.
The spelling of 70074730 in words is "seventy million, seventy-four thousand, seven hundred thirty".
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