Base | Representation |
---|---|
bin | 111001001111… |
… | …1100000100011 |
3 | 2002110211202012 |
4 | 1302133200203 |
5 | 30140412400 |
6 | 2551143135 |
7 | 513052562 |
oct | 162374043 |
9 | 62424665 |
10 | 30013475 |
11 | 15a3a628 |
12 | a074aab |
13 | 62ab16b |
14 | 3db3bd9 |
15 | 297cd35 |
hex | 1c9f823 |
30013475 has 24 divisors (see below), whose sum is σ = 38845728. Its totient is φ = 22982400.
The previous prime is 30013471. The next prime is 30013493. The reversal of 30013475 is 57431003.
It is a happy number.
It is not a de Polignac number, because 30013475 - 22 = 30013471 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30013475.
It is not an unprimeable number, because it can be changed into a prime (30013471) 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, 65447 + ... + 65903.
It is an arithmetic number, because the mean of its divisors is an integer number (1618572).
Almost surely, 230013475 is an apocalyptic number.
30013475 is a deficient number, since it is larger than the sum of its proper divisors (8832253).
30013475 is a wasteful number, since it uses less digits than its factorization.
30013475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 575 (or 570 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 30013475 is about 5478.4555305305. The cubic root of 30013475 is about 310.7697658073.
Adding to 30013475 its reverse (57431003), we get a palindrome (87444478).
The spelling of 30013475 in words is "thirty million, thirteen thousand, four hundred seventy-five".
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