Base | Representation |
---|---|
bin | 111001010010… |
… | …0011110110010 |
3 | 2002111212200112 |
4 | 1302210132302 |
5 | 30142040332 |
6 | 2551421322 |
7 | 513166136 |
oct | 162443662 |
9 | 62455615 |
10 | 30033842 |
11 | 15a53963 |
12 | a084842 |
13 | 62b7507 |
14 | 3dbb3c6 |
15 | 2983db2 |
hex | 1ca47b2 |
30033842 has 8 divisors (see below), whose sum is σ = 45211932. Its totient is φ = 14963200.
The previous prime is 30033833. The next prime is 30033859. The reversal of 30033842 is 24833003.
It can be written as a sum of positive squares in 2 ways, for example, as 29170801 + 863041 = 5401^2 + 929^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 26159 + ... + 27282.
Almost surely, 230033842 is an apocalyptic number.
30033842 is a deficient number, since it is larger than the sum of its proper divisors (15178090).
30033842 is a wasteful number, since it uses less digits than its factorization.
30033842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53724.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 30033842 is about 5480.3140420965. The cubic root of 30033842 is about 310.8400455361.
Adding to 30033842 its reverse (24833003), we get a palindrome (54866845).
The spelling of 30033842 in words is "thirty million, thirty-three thousand, eight hundred forty-two".
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