Base | Representation |
---|---|
bin | 111001101000… |
… | …1000010010101 |
3 | 2002212011000202 |
4 | 1303101002111 |
5 | 30213410331 |
6 | 2555350245 |
7 | 514556201 |
oct | 163210225 |
9 | 62764022 |
10 | 30216341 |
11 | 16068a91 |
12 | a152385 |
13 | 634c5bc |
14 | 4027b01 |
15 | 29bcecb |
hex | 1cd1095 |
30216341 has 4 divisors (see below), whose sum is σ = 30265932. Its totient is φ = 30166752.
The previous prime is 30216337. The next prime is 30216349. The reversal of 30216341 is 14361203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 29052100 = 1079^2 + 5390^2 .
It is a cyclic number.
It is not a de Polignac number, because 30216341 - 22 = 30216337 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30216349) 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 3 ways as a sum of consecutive naturals, for example, 23870 + ... + 25103.
It is an arithmetic number, because the mean of its divisors is an integer number (7566483).
Almost surely, 230216341 is an apocalyptic number.
It is an amenable number.
30216341 is a deficient number, since it is larger than the sum of its proper divisors (49591).
30216341 is an equidigital number, since it uses as much as digits as its factorization.
30216341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49590.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30216341 is about 5496.9392392494. The cubic root of 30216341 is about 311.4683754299.
Adding to 30216341 its reverse (14361203), we get a palindrome (44577544).
The spelling of 30216341 in words is "thirty million, two hundred sixteen thousand, three hundred forty-one".
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