Base | Representation |
---|---|
bin | 1010000001001… |
… | …1101000001001 |
3 | 2221002000022110 |
4 | 2200103220021 |
5 | 41224222213 |
6 | 4100412533 |
7 | 1020123204 |
oct | 240235011 |
9 | 87060273 |
10 | 42023433 |
11 | 217a2911 |
12 | 120a7149 |
13 | 892484a |
14 | 581c93b |
15 | 3a515c3 |
hex | 2813a09 |
42023433 has 4 divisors (see below), whose sum is σ = 56031248. Its totient is φ = 28015620.
The previous prime is 42023431. The next prime is 42023441. The reversal of 42023433 is 33432024.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 42023433 - 21 = 42023431 is a prime.
It is a super-2 number, since 2×420234332 = 3531937842210978, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42023431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7003903 + ... + 7003908.
It is an arithmetic number, because the mean of its divisors is an integer number (14007812).
Almost surely, 242023433 is an apocalyptic number.
It is an amenable number.
42023433 is a deficient number, since it is larger than the sum of its proper divisors (14007815).
42023433 is a wasteful number, since it uses less digits than its factorization.
42023433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14007814.
The product of its (nonzero) digits is 1728, while the sum is 21.
The square root of 42023433 is about 6482.5483415089. The cubic root of 42023433 is about 347.6672982891.
Adding to 42023433 its reverse (33432024), we get a palindrome (75455457).
The spelling of 42023433 in words is "forty-two million, twenty-three thousand, four hundred thirty-three".
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