Base | Representation |
---|---|
bin | 1000010110011… |
… | …10000011100010 |
3 | 11212210220120010 |
4 | 10023032003202 |
5 | 120413100033 |
6 | 10541225350 |
7 | 1510262313 |
oct | 413160342 |
9 | 155726503 |
10 | 70050018 |
11 | 365a5685 |
12 | 1b562256 |
13 | 1168851c |
14 | 943660a |
15 | 623a863 |
hex | 42ce0e2 |
70050018 has 32 divisors (see below), whose sum is σ = 145728000. Its totient is φ = 22423680.
The previous prime is 70050007. The next prime is 70050059. The reversal of 70050018 is 81005007.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 70049976 and 70050003.
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 15 ways as a sum of consecutive naturals, for example, 24108 + ... + 26856.
It is an arithmetic number, because the mean of its divisors is an integer number (4554000).
Almost surely, 270050018 is an apocalyptic number.
70050018 is an abundant number, since it is smaller than the sum of its proper divisors (75677982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70050018 is a wasteful number, since it uses less digits than its factorization.
70050018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2922.
The product of its (nonzero) digits is 280, while the sum is 21.
The square root of 70050018 is about 8369.5888787921. The cubic root of 70050018 is about 412.2266677758.
The spelling of 70050018 in words is "seventy million, fifty thousand, eighteen".
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