Base | Representation |
---|---|
bin | 1000010110101… |
… | …00001011000011 |
3 | 11212212011221011 |
4 | 10023110023003 |
5 | 120414400300 |
6 | 10541541351 |
7 | 1510425340 |
oct | 413241303 |
9 | 155764834 |
10 | 70075075 |
11 | 36612494 |
12 | 1b574857 |
13 | 11696a55 |
14 | 94417c7 |
15 | 6242eba |
hex | 42d42c3 |
70075075 has 12 divisors (see below), whose sum is σ = 99306640. Its totient is φ = 48051360.
The previous prime is 70075051. The next prime is 70075081. The reversal of 70075075 is 57057007.
It is not a de Polignac number, because 70075075 - 27 = 70074947 is a prime.
It is a super-2 number, since 2×700750752 = 9821032272511250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
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 11 ways as a sum of consecutive naturals, for example, 200040 + ... + 200389.
Almost surely, 270075075 is an apocalyptic number.
70075075 is a deficient number, since it is larger than the sum of its proper divisors (29231565).
70075075 is a wasteful number, since it uses less digits than its factorization.
70075075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400446 (or 400441 counting only the distinct ones).
The product of its (nonzero) digits is 8575, while the sum is 31.
The square root of 70075075 is about 8371.0856524109. The cubic root of 70075075 is about 412.2758132891.
The spelling of 70075075 in words is "seventy million, seventy-five thousand, seventy-five".
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