Base | Representation |
---|---|
bin | 111001010000… |
… | …1101100000101 |
3 | 2002111021222221 |
4 | 1302201230011 |
5 | 30141204110 |
6 | 2551252341 |
7 | 513120610 |
oct | 162415405 |
9 | 62437887 |
10 | 30022405 |
11 | 15a46306 |
12 | a07a0b1 |
13 | 62b224a |
14 | 3db7177 |
15 | 29807da |
hex | 1ca1b05 |
30022405 has 16 divisors (see below), whose sum is σ = 41543424. Its totient is φ = 20401920.
The previous prime is 30022403. The next prime is 30022411. The reversal of 30022405 is 50422003.
It is not a de Polignac number, because 30022405 - 21 = 30022403 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 (30022403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 7750.
It is an arithmetic number, because the mean of its divisors is an integer number (2596464).
Almost surely, 230022405 is an apocalyptic number.
30022405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30022405 is a deficient number, since it is larger than the sum of its proper divisors (11521019).
30022405 is a wasteful number, since it uses less digits than its factorization.
30022405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7716.
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 30022405 is about 5479.2704806388. The cubic root of 30022405 is about 310.8005841738.
Adding to 30022405 its reverse (50422003), we get a palindrome (80444408).
The spelling of 30022405 in words is "thirty million, twenty-two thousand, four hundred five".
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