Base | Representation |
---|---|
bin | 10000001011110001101111 |
3 | 21222112200020 |
4 | 100023301233 |
5 | 2041230133 |
6 | 230533223 |
7 | 51026634 |
oct | 20136157 |
9 | 7875606 |
10 | 4242543 |
11 | 2438538 |
12 | 1507213 |
13 | b570a6 |
14 | 7c618b |
15 | 58c0b3 |
hex | 40bc6f |
4242543 has 4 divisors (see below), whose sum is σ = 5656728. Its totient is φ = 2828360.
The previous prime is 4242523. The next prime is 4242547. The reversal of 4242543 is 3452424.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 4242543 - 29 = 4242031 is a prime.
It is a super-2 number, since 2×42425432 = 35998342213698, which contains 22 as substring.
It is a D-number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4242547) 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, 707088 + ... + 707093.
It is an arithmetic number, because the mean of its divisors is an integer number (1414182).
Almost surely, 24242543 is an apocalyptic number.
4242543 is a deficient number, since it is larger than the sum of its proper divisors (1414185).
4242543 is a wasteful number, since it uses less digits than its factorization.
4242543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1414184.
The product of its digits is 3840, while the sum is 24.
The square root of 4242543 is about 2059.7434306243. The cubic root of 4242543 is about 161.8857981894.
Adding to 4242543 its reverse (3452424), we get a palindrome (7694967).
The spelling of 4242543 in words is "four million, two hundred forty-two thousand, five hundred forty-three".
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