Base | Representation |
---|---|
bin | 1010010010010… |
… | …1010000101011 |
3 | 10000011221202122 |
4 | 2210211100223 |
5 | 42021103420 |
6 | 4140421455 |
7 | 1032501641 |
oct | 244452053 |
9 | 100157678 |
10 | 43144235 |
11 | 223989a2 |
12 | 1254788b |
13 | 8c27a44 |
14 | 5a31191 |
15 | 3bc3725 |
hex | 292542b |
43144235 has 4 divisors (see below), whose sum is σ = 51773088. Its totient is φ = 34515384.
The previous prime is 43144229. The next prime is 43144237. The reversal of 43144235 is 53244134.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53244134 = 2 ⋅26622067.
It is a cyclic number.
It is not a de Polignac number, because 43144235 - 210 = 43143211 is a prime.
It is a super-2 number, since 2×431442352 = 3722850027470450, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (43144237) 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 3 ways as a sum of consecutive naturals, for example, 4314419 + ... + 4314428.
It is an arithmetic number, because the mean of its divisors is an integer number (12943272).
Almost surely, 243144235 is an apocalyptic number.
43144235 is a deficient number, since it is larger than the sum of its proper divisors (8628853).
43144235 is an equidigital number, since it uses as much as digits as its factorization.
43144235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8628852.
The product of its digits is 5760, while the sum is 26.
The square root of 43144235 is about 6568.4271328835. The cubic root of 43144235 is about 350.7310840847.
Adding to 43144235 its reverse (53244134), we get a palindrome (96388369).
The spelling of 43144235 in words is "forty-three million, one hundred forty-four thousand, two hundred thirty-five".
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