Base | Representation |
---|---|
bin | 1000010111000… |
… | …01110011001100 |
3 | 11212222000111110 |
4 | 10023201303030 |
5 | 120423142032 |
6 | 10543052020 |
7 | 1511050146 |
oct | 413416314 |
9 | 155860443 |
10 | 70130892 |
11 | 36650417 |
12 | 1b5a1010 |
13 | 116b6290 |
14 | 9457c96 |
15 | 62547cc |
hex | 42e1ccc |
70130892 has 24 divisors (see below), whose sum is σ = 176226736. Its totient is φ = 21578688.
The previous prime is 70130891. The next prime is 70130911. The reversal of 70130892 is 29803107.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (70130891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224623 + ... + 224934.
Almost surely, 270130892 is an apocalyptic number.
It is an amenable number.
70130892 is an abundant number, since it is smaller than the sum of its proper divisors (106095844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70130892 is a wasteful number, since it uses less digits than its factorization.
70130892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449577 (or 449575 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 70130892 is about 8374.4189052137. The cubic root of 70130892 is about 412.3852477865.
Adding to 70130892 its reverse (29803107), we get a palindrome (99933999).
The spelling of 70130892 in words is "seventy million, one hundred thirty thousand, eight hundred ninety-two".
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