Base | Representation |
---|---|
bin | 1000010111110… |
… | …10111111010101 |
3 | 11220011021000211 |
4 | 10023322333111 |
5 | 120434442234 |
6 | 10545205421 |
7 | 1511660023 |
oct | 413727725 |
9 | 156137024 |
10 | 70234069 |
11 | 36710994 |
12 | 1b630871 |
13 | 11721229 |
14 | 9483713 |
15 | 6275164 |
hex | 42fafd5 |
70234069 has 2 divisors, whose sum is σ = 70234070. Its totient is φ = 70234068.
The previous prime is 70234061. The next prime is 70234117. The reversal of 70234069 is 96043207.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53831569 + 16402500 = 7337^2 + 4050^2 .
It is a cyclic number.
It is not a de Polignac number, because 70234069 - 23 = 70234061 is a prime.
It is a super-2 number, since 2×702340692 = 9865648896593522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 70234069.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70234061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35117034 + 35117035.
It is an arithmetic number, because the mean of its divisors is an integer number (35117035).
Almost surely, 270234069 is an apocalyptic number.
It is an amenable number.
70234069 is a deficient number, since it is larger than the sum of its proper divisors (1).
70234069 is an equidigital number, since it uses as much as digits as its factorization.
70234069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 70234069 is about 8380.5768894510. The cubic root of 70234069 is about 412.5873832629.
The spelling of 70234069 in words is "seventy million, two hundred thirty-four thousand, sixty-nine".
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