Base | Representation |
---|---|
bin | 111010111100… |
… | …1101010001110 |
3 | 2011011020110112 |
4 | 1311321222032 |
5 | 30403011042 |
6 | 3022240022 |
7 | 523463636 |
oct | 165715216 |
9 | 64136415 |
10 | 30907022 |
11 | 1649a9a3 |
12 | a426012 |
13 | 6531aa3 |
14 | 41676c6 |
15 | 2aa7982 |
hex | 1d79a8e |
30907022 has 4 divisors (see below), whose sum is σ = 46360536. Its totient is φ = 15453510.
The previous prime is 30907021. The next prime is 30907027. The reversal of 30907022 is 22070903.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30907021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726754 + ... + 7726757.
It is an arithmetic number, because the mean of its divisors is an integer number (11590134).
Almost surely, 230907022 is an apocalyptic number.
30907022 is a deficient number, since it is larger than the sum of its proper divisors (15453514).
30907022 is a wasteful number, since it uses less digits than its factorization.
30907022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15453513.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 30907022 is about 5559.4084217658. The cubic root of 30907022 is about 313.8236869724.
Adding to 30907022 its reverse (22070903), we get a palindrome (52977925).
The spelling of 30907022 in words is "thirty million, nine hundred seven thousand, twenty-two".
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