Base | Representation |
---|---|
bin | 1111100011001… |
… | …00010110000001 |
3 | 100002102202101221 |
4 | 13301210112001 |
5 | 231342400213 |
6 | 20535355041 |
7 | 3142450213 |
oct | 761442601 |
9 | 302382357 |
10 | 130434433 |
11 | 67699358 |
12 | 37822a81 |
13 | 2103b44c |
14 | 134745b3 |
15 | b6b738d |
hex | 7c64581 |
130434433 has 4 divisors (see below), whose sum is σ = 130462000. Its totient is φ = 130406868.
The previous prime is 130434413. The next prime is 130434443. The reversal of 130434433 is 334434031.
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, and also an emirpimes, since its reverse is a distinct semiprime: 334434031 = 10271 ⋅32561.
It is a cyclic number.
It is not a de Polignac number, because 130434433 - 25 = 130434401 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130434398 and 130434407.
It is not an unprimeable number, because it can be changed into a prime (130434413) 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, 4683 + ... + 16816.
It is an arithmetic number, because the mean of its divisors is an integer number (32615500).
Almost surely, 2130434433 is an apocalyptic number.
It is an amenable number.
130434433 is a deficient number, since it is larger than the sum of its proper divisors (27567).
130434433 is an equidigital number, since it uses as much as digits as its factorization.
130434433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27566.
The product of its (nonzero) digits is 5184, while the sum is 25.
The square root of 130434433 is about 11420.7895086110. The cubic root of 130434433 is about 507.1433692063.
Adding to 130434433 its reverse (334434031), we get a palindrome (464868464).
The spelling of 130434433 in words is "one hundred thirty million, four hundred thirty-four thousand, four hundred thirty-three".
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