Base | Representation |
---|---|
bin | 111010110101… |
… | …1100010001000 |
3 | 2011001022002111 |
4 | 1311223202020 |
5 | 30344133120 |
6 | 3021112104 |
7 | 523133146 |
oct | 165534210 |
9 | 64038074 |
10 | 30849160 |
11 | 16460481 |
12 | a3b8634 |
13 | 6511654 |
14 | 4150596 |
15 | 2a9575a |
hex | 1d6b888 |
30849160 has 32 divisors (see below), whose sum is σ = 73065600. Its totient is φ = 11689920.
The previous prime is 30849139. The next prime is 30849163. The reversal of 30849160 is 6194803.
It is not an unprimeable number, because it can be changed into a prime (30849163) 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, 19536 + ... + 21055.
It is an arithmetic number, because the mean of its divisors is an integer number (2283300).
Almost surely, 230849160 is an apocalyptic number.
It is an amenable number.
30849160 is an abundant number, since it is smaller than the sum of its proper divisors (42216440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30849160 is a wasteful number, since it uses less digits than its factorization.
30849160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40621 (or 40617 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 30849160 is about 5554.2020128908. The cubic root of 30849160 is about 313.6277249280.
The spelling of 30849160 in words is "thirty million, eight hundred forty-nine thousand, one hundred sixty".
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