Base | Representation |
---|---|
bin | 111001101001… |
… | …0011111100111 |
3 | 2002212110012212 |
4 | 1303102133213 |
5 | 30214103221 |
6 | 2555434035 |
7 | 514612460 |
oct | 163223747 |
9 | 62773185 |
10 | 30222311 |
11 | 16072519 |
12 | a15591b |
13 | 6352232 |
14 | 4029d67 |
15 | 29beb5b |
hex | 1cd27e7 |
30222311 has 8 divisors (see below), whose sum is σ = 36571680. Its totient is φ = 24380928.
The previous prime is 30222307. The next prime is 30222373. The reversal of 30222311 is 11322203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30222311 - 22 = 30222307 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126866 + ... + 127103.
It is an arithmetic number, because the mean of its divisors is an integer number (4571460).
Almost surely, 230222311 is an apocalyptic number.
30222311 is a deficient number, since it is larger than the sum of its proper divisors (6349369).
30222311 is a wasteful number, since it uses less digits than its factorization.
30222311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253993.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 30222311 is about 5497.4822418995. The cubic root of 30222311 is about 311.4888868893.
Adding to 30222311 its reverse (11322203), we get a palindrome (41544514).
The spelling of 30222311 in words is "thirty million, two hundred twenty-two thousand, three hundred eleven".
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