Base | Representation |
---|---|
bin | 111001101011… |
… | …1110101000001 |
3 | 2002220120012010 |
4 | 1303113311001 |
5 | 30220303121 |
6 | 3000123133 |
7 | 515033253 |
oct | 163276501 |
9 | 62816163 |
10 | 30244161 |
11 | 16087982 |
12 | a1664a9 |
13 | 635c16c |
14 | 4033cd3 |
15 | 29c6376 |
hex | 1cd7d41 |
30244161 has 16 divisors (see below), whose sum is σ = 40976384. Its totient is φ = 19840464.
The previous prime is 30244153. The next prime is 30244163. The reversal of 30244161 is 16144203.
It is not a de Polignac number, because 30244161 - 23 = 30244153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30244163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61860 + ... + 62346.
It is an arithmetic number, because the mean of its divisors is an integer number (2561024).
Almost surely, 230244161 is an apocalyptic number.
It is an amenable number.
30244161 is a deficient number, since it is larger than the sum of its proper divisors (10732223).
30244161 is a wasteful number, since it uses less digits than its factorization.
30244161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 780.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 30244161 is about 5499.4691562004. The cubic root of 30244161 is about 311.5639351170.
Adding to 30244161 its reverse (16144203), we get a palindrome (46388364).
The spelling of 30244161 in words is "thirty million, two hundred forty-four thousand, one hundred sixty-one".
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