Base | Representation |
---|---|
bin | 111001010100… |
… | …0101000101100 |
3 | 2002112202000211 |
4 | 1302220220230 |
5 | 30143111420 |
6 | 2552032204 |
7 | 513266560 |
oct | 162505054 |
9 | 62482024 |
10 | 30050860 |
11 | 15a65724 |
12 | a092664 |
13 | 62c2198 |
14 | 3dc36a0 |
15 | 2988e5a |
hex | 1ca8a2c |
30050860 has 48 divisors (see below), whose sum is σ = 73672704. Its totient is φ = 10081728.
The previous prime is 30050819. The next prime is 30050861. The reversal of 30050860 is 6805003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30050861) 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 15 ways as a sum of consecutive naturals, for example, 4297 + ... + 8863.
It is an arithmetic number, because the mean of its divisors is an integer number (1534848).
Almost surely, 230050860 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30050860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36836352).
30050860 is an abundant number, since it is smaller than the sum of its proper divisors (43621844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30050860 is a wasteful number, since it uses less digits than its factorization.
30050860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4630 (or 4628 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 30050860 is about 5481.8664704642. The cubic root of 30050860 is about 310.8987446205.
Adding to 30050860 its reverse (6805003), we get a palindrome (36855863).
The spelling of 30050860 in words is "thirty million, fifty thousand, eight hundred sixty".
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