Base | Representation |
---|---|
bin | 111010011100… |
… | …1011101010101 |
3 | 2010122212201221 |
4 | 1310321131111 |
5 | 30321102203 |
6 | 3012450341 |
7 | 521320156 |
oct | 164713525 |
9 | 63585657 |
10 | 30644053 |
11 | 16330370 |
12 | a3199b1 |
13 | 646c19b |
14 | 40d992d |
15 | 2a54abd |
hex | 1d39755 |
30644053 has 8 divisors (see below), whose sum is σ = 33507936. Its totient is φ = 27793200.
The previous prime is 30643997. The next prime is 30644059. The reversal of 30644053 is 35044603.
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 30644053 - 221 = 28546901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30644059) 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, 2050 + ... + 8092.
It is an arithmetic number, because the mean of its divisors is an integer number (4188492).
Almost surely, 230644053 is an apocalyptic number.
It is an amenable number.
30644053 is a deficient number, since it is larger than the sum of its proper divisors (2863883).
30644053 is a wasteful number, since it uses less digits than its factorization.
30644053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6515.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 30644053 is about 5535.7070912396. The cubic root of 30644053 is about 312.9311059058.
Adding to 30644053 its reverse (35044603), we get a palindrome (65688656).
It can be divided in two parts, 3064 and 4053, that added together give a palindrome (7117).
The spelling of 30644053 in words is "thirty million, six hundred forty-four thousand, fifty-three".
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