Base | Representation |
---|---|
bin | 1010001110110… |
… | …0100100100001 |
3 | 2222202011020120 |
4 | 2203230210201 |
5 | 41441141113 |
6 | 4131430453 |
7 | 1030513653 |
oct | 243544441 |
9 | 88664216 |
10 | 42912033 |
11 | 2224a49a |
12 | 12455429 |
13 | 8b76148 |
14 | 59b06d3 |
15 | 3b79a23 |
hex | 28ec921 |
42912033 has 8 divisors (see below), whose sum is σ = 58295808. Its totient is φ = 28068144.
The previous prime is 42912031. The next prime is 42912041. The reversal of 42912033 is 33021924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42912033 - 21 = 42912031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42911994 and 42912012.
It is not an unprimeable number, because it can be changed into a prime (42912031) 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 7 ways as a sum of consecutive naturals, for example, 134785 + ... + 135102.
It is an arithmetic number, because the mean of its divisors is an integer number (7286976).
Almost surely, 242912033 is an apocalyptic number.
It is an amenable number.
42912033 is a deficient number, since it is larger than the sum of its proper divisors (15383775).
42912033 is a wasteful number, since it uses less digits than its factorization.
42912033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269943.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 42912033 is about 6550.7276695036. The cubic root of 42912033 is about 350.1007410688.
Adding to 42912033 its reverse (33021924), we get a palindrome (75933957).
The spelling of 42912033 in words is "forty-two million, nine hundred twelve thousand, thirty-three".
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