Base | Representation |
---|---|
bin | 1000000111011… |
… | …1001101110110 |
3 | 2101001112212022 |
4 | 2001313031312 |
5 | 32203331432 |
6 | 3213353142 |
7 | 562233656 |
oct | 201671566 |
9 | 71045768 |
10 | 34042742 |
11 | 182418a8 |
12 | b4987b2 |
13 | 708c146 |
14 | 4742366 |
15 | 2ec6b12 |
hex | 2077376 |
34042742 has 4 divisors (see below), whose sum is σ = 51064116. Its totient is φ = 17021370.
The previous prime is 34042741. The next prime is 34042753. The reversal of 34042742 is 24724043.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24724043 = 1381 ⋅17903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34042741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8510684 + ... + 8510687.
It is an arithmetic number, because the mean of its divisors is an integer number (12766029).
Almost surely, 234042742 is an apocalyptic number.
34042742 is a deficient number, since it is larger than the sum of its proper divisors (17021374).
34042742 is a wasteful number, since it uses less digits than its factorization.
34042742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17021373.
The product of its (nonzero) digits is 5376, while the sum is 26.
The square root of 34042742 is about 5834.6158399675. The cubic root of 34042742 is about 324.0968757207.
Adding to 34042742 its reverse (24724043), we get a palindrome (58766785).
The spelling of 34042742 in words is "thirty-four million, forty-two thousand, seven hundred forty-two".
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