Base | Representation |
---|---|
bin | 1001011110001010… |
… | …0111010010010111 |
3 | 20120012001000000011 |
4 | 2113202213102113 |
5 | 20201330332211 |
6 | 1100141101051 |
7 | 120001220236 |
oct | 22742472227 |
9 | 6505030004 |
10 | 2542433431 |
11 | 109515695a |
12 | 5ab557787 |
13 | 3169687a5 |
14 | 1a1938b1d |
15 | ed30d921 |
hex | 978a7497 |
2542433431 has 4 divisors (see below), whose sum is σ = 2557129752. Its totient is φ = 2527737112.
The previous prime is 2542433423. The next prime is 2542433441. The reversal of 2542433431 is 1343342452.
It is a happy number.
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 2542433431 - 23 = 2542433423 is a prime.
It is a super-2 number, since 2×25424334312 = 12927935502132863522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2542433393 and 2542433402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2542433401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7347901 + ... + 7348246.
It is an arithmetic number, because the mean of its divisors is an integer number (639282438).
Almost surely, 22542433431 is an apocalyptic number.
2542433431 is a deficient number, since it is larger than the sum of its proper divisors (14696321).
2542433431 is a wasteful number, since it uses less digits than its factorization.
2542433431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14696320.
The product of its digits is 34560, while the sum is 31.
The square root of 2542433431 is about 50422.5488348219. The cubic root of 2542433431 is about 1364.8445718359.
Adding to 2542433431 its reverse (1343342452), we get a palindrome (3885775883).
The spelling of 2542433431 in words is "two billion, five hundred forty-two million, four hundred thirty-three thousand, four hundred thirty-one".
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