Base | Representation |
---|---|
bin | 1000010110100… |
… | …01100001100011 |
3 | 11212211122001101 |
4 | 10023101201203 |
5 | 120414023402 |
6 | 10541415231 |
7 | 1510351612 |
oct | 413214143 |
9 | 155748041 |
10 | 70064227 |
11 | 36605322 |
12 | 1b56a517 |
13 | 11691b2c |
14 | 943b879 |
15 | 623eb87 |
hex | 42d1863 |
70064227 has 4 divisors (see below), whose sum is σ = 70207416. Its totient is φ = 69921040.
The previous prime is 70064213. The next prime is 70064237. The reversal of 70064227 is 72246007.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70064227 - 215 = 70031459 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 70064195 and 70064204.
It is not an unprimeable number, because it can be changed into a prime (70064237) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 70858 + ... + 71839.
It is an arithmetic number, because the mean of its divisors is an integer number (17551854).
Almost surely, 270064227 is an apocalyptic number.
70064227 is a deficient number, since it is larger than the sum of its proper divisors (143189).
70064227 is a wasteful number, since it uses less digits than its factorization.
70064227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143188.
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 70064227 is about 8370.4376827021. The cubic root of 70064227 is about 412.2545380172.
The spelling of 70064227 in words is "seventy million, sixty-four thousand, two hundred twenty-seven".
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