Base | Representation |
---|---|
bin | 111010111110… |
… | …1010100111100 |
3 | 2011012000001220 |
4 | 1311331110330 |
5 | 30404001134 |
6 | 3022433340 |
7 | 523555506 |
oct | 165752474 |
9 | 64160056 |
10 | 30922044 |
11 | 1650020a |
12 | a432850 |
13 | 653888a |
14 | 416cd76 |
15 | 2aac149 |
hex | 1d7d53c |
30922044 has 24 divisors (see below), whose sum is σ = 75949440. Its totient is φ = 9764784.
The previous prime is 30922043. The next prime is 30922049. The reversal of 30922044 is 44022903.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30922043) 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, 67584 + ... + 68039.
It is an arithmetic number, because the mean of its divisors is an integer number (3164560).
Almost surely, 230922044 is an apocalyptic number.
It is an amenable number.
30922044 is an abundant number, since it is smaller than the sum of its proper divisors (45027396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30922044 is a wasteful number, since it uses less digits than its factorization.
30922044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135649 (or 135647 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30922044 is about 5560.7593006711. The cubic root of 30922044 is about 313.8745221932.
Adding to 30922044 its reverse (44022903), we get a palindrome (74944947).
The spelling of 30922044 in words is "thirty million, nine hundred twenty-two thousand, forty-four".
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