Base | Representation |
---|---|
bin | 111001101001… |
… | …0011111101001 |
3 | 2002212110012221 |
4 | 1303102133221 |
5 | 30214103223 |
6 | 2555434041 |
7 | 514612462 |
oct | 163223751 |
9 | 62773187 |
10 | 30222313 |
11 | 16072520 |
12 | a155921 |
13 | 6352234 |
14 | 4029d69 |
15 | 29beb5d |
hex | 1cd27e9 |
30222313 has 4 divisors (see below), whose sum is σ = 32969808. Its totient is φ = 27474820.
The previous prime is 30222307. The next prime is 30222373. The reversal of 30222313 is 31322203.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30222313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30222373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373731 + ... + 1373752.
It is an arithmetic number, because the mean of its divisors is an integer number (8242452).
Almost surely, 230222313 is an apocalyptic number.
It is an amenable number.
30222313 is a deficient number, since it is larger than the sum of its proper divisors (2747495).
30222313 is a wasteful number, since it uses less digits than its factorization.
30222313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2747494.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30222313 is about 5497.4824238009. The cubic root of 30222313 is about 311.4888937603.
Adding to 30222313 its reverse (31322203), we get a palindrome (61544516).
It can be divided in two parts, 3022 and 2313, that added together give a palindrome (5335).
The spelling of 30222313 in words is "thirty million, two hundred twenty-two thousand, three hundred thirteen".
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