Base | Representation |
---|---|
bin | 111001011110… |
… | …1011001000001 |
3 | 2002201001122110 |
4 | 1302331121001 |
5 | 30203321443 |
6 | 2553525533 |
7 | 514102455 |
oct | 162753101 |
9 | 62631573 |
10 | 30135873 |
11 | 16013589 |
12 | a1138a9 |
13 | 6321aa1 |
14 | 4006665 |
15 | 29a4233 |
hex | 1cbd641 |
30135873 has 8 divisors (see below), whose sum is σ = 40283968. Its totient is φ = 20039184.
The previous prime is 30135869. The next prime is 30135887. The reversal of 30135873 is 37853103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30135873 - 22 = 30135869 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 30135873.
It is not an unprimeable number, because it can be changed into a prime (30135473) 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 7 ways as a sum of consecutive naturals, for example, 11461 + ... + 13842.
It is an arithmetic number, because the mean of its divisors is an integer number (5035496).
Almost surely, 230135873 is an apocalyptic number.
It is an amenable number.
30135873 is a deficient number, since it is larger than the sum of its proper divisors (10148095).
30135873 is a wasteful number, since it uses less digits than its factorization.
30135873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25703.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 30135873 is about 5489.6150138238. The cubic root of 30135873 is about 311.1916430648.
Adding to 30135873 its reverse (37853103), we get a palindrome (67988976).
The spelling of 30135873 in words is "thirty million, one hundred thirty-five thousand, eight hundred seventy-three".
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