Base | Representation |
---|---|
bin | 111001011011… |
… | …1001011101000 |
3 | 2002122202202111 |
4 | 1302313023220 |
5 | 30202013230 |
6 | 2553212104 |
7 | 513635353 |
oct | 162671350 |
9 | 62582674 |
10 | 30110440 |
11 | 15aa6468 |
12 | a101034 |
13 | 6313339 |
14 | 3ddb29a |
15 | 299b92a |
hex | 1cb72e8 |
30110440 has 32 divisors (see below), whose sum is σ = 71316000. Its totient is φ = 11409984.
The previous prime is 30110411. The next prime is 30110453. The reversal of 30110440 is 4401103.
It is a self number, because there is not a number n which added to its sum of digits gives 30110440.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19050 + ... + 20569.
It is an arithmetic number, because the mean of its divisors is an integer number (2228625).
Almost surely, 230110440 is an apocalyptic number.
It is an amenable number.
30110440 is an abundant number, since it is smaller than the sum of its proper divisors (41205560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110440 is a wasteful number, since it uses less digits than its factorization.
30110440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39649 (or 39645 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 30110440 is about 5487.2980600656. The cubic root of 30110440 is about 311.1040756157.
Adding to 30110440 its reverse (4401103), we get a palindrome (34511543).
The spelling of 30110440 in words is "thirty million, one hundred ten thousand, four hundred forty".
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