Base | Representation |
---|---|
bin | 1000010110110… |
… | …11110110100010 |
3 | 11212220210002011 |
4 | 10023123312202 |
5 | 120421402110 |
6 | 10542343134 |
7 | 1510616134 |
oct | 413336642 |
9 | 155823064 |
10 | 70106530 |
11 | 3663408a |
12 | 1b58aaaa |
13 | 116a8170 |
14 | 944d054 |
15 | 624c48a |
hex | 42dbda2 |
70106530 has 32 divisors (see below), whose sum is σ = 141813504. Its totient is φ = 24758976.
The previous prime is 70106513. The next prime is 70106537. The reversal of 70106530 is 3560107.
It is not an unprimeable number, because it can be changed into a prime (70106537) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8734 + ... + 14713.
It is an arithmetic number, because the mean of its divisors is an integer number (4431672).
Almost surely, 270106530 is an apocalyptic number.
70106530 is an abundant number, since it is smaller than the sum of its proper divisors (71706974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70106530 is a wasteful number, since it uses less digits than its factorization.
70106530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23490.
The product of its (nonzero) digits is 630, while the sum is 22.
The square root of 70106530 is about 8372.9642301875. The cubic root of 70106530 is about 412.3374909295.
Adding to 70106530 its reverse (3560107), we get a palindrome (73666637).
The spelling of 70106530 in words is "seventy million, one hundred six thousand, five hundred thirty".
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