Base | Representation |
---|---|
bin | 111001101001… |
… | …0011100010101 |
3 | 2002212102221002 |
4 | 1303102130111 |
5 | 30214101401 |
6 | 2555433045 |
7 | 514612040 |
oct | 163223425 |
9 | 62772832 |
10 | 30222101 |
11 | 16072348 |
12 | a155785 |
13 | 6352100 |
14 | 4029c57 |
15 | 29bea6b |
hex | 1cd2715 |
30222101 has 24 divisors (see below), whose sum is σ = 38122560. Its totient is φ = 23452416.
The previous prime is 30222041. The next prime is 30222109. The reversal of 30222101 is 10122203.
It is a happy number.
It is not a de Polignac number, because 30222101 - 26 = 30222037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222109) 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 23 ways as a sum of consecutive naturals, for example, 69581 + ... + 70013.
It is an arithmetic number, because the mean of its divisors is an integer number (1588440).
Almost surely, 230222101 is an apocalyptic number.
It is an amenable number.
30222101 is a deficient number, since it is larger than the sum of its proper divisors (7900459).
30222101 is a wasteful number, since it uses less digits than its factorization.
30222101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 512 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30222101 is about 5497.4631422139. The cubic root of 30222101 is about 311.4881654265.
Adding to 30222101 its reverse (10122203), we get a palindrome (40344304).
The spelling of 30222101 in words is "thirty million, two hundred twenty-two thousand, one hundred one".
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