Base | Representation |
---|---|
bin | 111001111000… |
… | …0010001111001 |
3 | 2010002122120110 |
4 | 1303300101321 |
5 | 30232004223 |
6 | 3002214533 |
7 | 515631246 |
oct | 163602171 |
9 | 63078513 |
10 | 30344313 |
11 | 1614614a |
12 | a1b4449 |
13 | 639591c |
14 | 405c5cd |
15 | 29e5d93 |
hex | 1cf0479 |
30344313 has 4 divisors (see below), whose sum is σ = 40459088. Its totient is φ = 20229540.
The previous prime is 30344309. The next prime is 30344317. The reversal of 30344313 is 31344303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (30344309) and next prime (30344317).
It is not a de Polignac number, because 30344313 - 22 = 30344309 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30344313.
It is not an unprimeable number, because it can be changed into a prime (30344317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057383 + ... + 5057388.
It is an arithmetic number, because the mean of its divisors is an integer number (10114772).
Almost surely, 230344313 is an apocalyptic number.
It is an amenable number.
30344313 is a deficient number, since it is larger than the sum of its proper divisors (10114775).
30344313 is a wasteful number, since it uses less digits than its factorization.
30344313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10114774.
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 30344313 is about 5508.5672365870. The cubic root of 30344313 is about 311.9074655729.
Adding to 30344313 its reverse (31344303), we get a palindrome (61688616).
The spelling of 30344313 in words is "thirty million, three hundred forty-four thousand, three hundred thirteen".
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