Base | Representation |
---|---|
bin | 111010110100… |
… | …0010110011000 |
3 | 2011000122012112 |
4 | 1311220112120 |
5 | 30343223440 |
6 | 3020531452 |
7 | 523050140 |
oct | 165502630 |
9 | 64018175 |
10 | 30836120 |
11 | 164516a7 |
12 | a3b0b88 |
13 | 6508733 |
14 | 4149920 |
15 | 2a91965 |
hex | 1d68598 |
30836120 has 32 divisors (see below), whose sum is σ = 79293600. Its totient is φ = 10572288.
The previous prime is 30836119. The next prime is 30836129. The reversal of 30836120 is 2163803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30836129) 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, 54785 + ... + 55344.
It is an arithmetic number, because the mean of its divisors is an integer number (2477925).
Almost surely, 230836120 is an apocalyptic number.
It is an amenable number.
30836120 is an abundant number, since it is smaller than the sum of its proper divisors (48457480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30836120 is a wasteful number, since it uses less digits than its factorization.
30836120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110147 (or 110143 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 30836120 is about 5553.0280028107. The cubic root of 30836120 is about 313.5835283501.
Adding to 30836120 its reverse (2163803), we get a palindrome (32999923).
The spelling of 30836120 in words is "thirty million, eight hundred thirty-six thousand, one hundred twenty".
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