Base | Representation |
---|---|
bin | 101010101001110… |
… | …1101011111100000 |
3 | 10200202010001001112 |
4 | 1111103231133200 |
5 | 10412343333212 |
6 | 354004122452 |
7 | 50316154322 |
oct | 12523553740 |
9 | 3622101045 |
10 | 1431230432 |
11 | 67498a675 |
12 | 33b396428 |
13 | 19a694818 |
14 | d8121612 |
15 | 859b3422 |
hex | 554ed7e0 |
1431230432 has 24 divisors (see below), whose sum is σ = 2818813536. Its totient is φ = 715341312.
The previous prime is 1431230431. The next prime is 1431230491. The reversal of 1431230432 is 2340321341.
It is a junction number, because it is equal to n+sod(n) for n = 1431230398 and 1431230407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431230431) 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, 95993 + ... + 109895.
It is an arithmetic number, because the mean of its divisors is an integer number (117450564).
Almost surely, 21431230432 is an apocalyptic number.
It is an amenable number.
1431230432 is a deficient number, since it is larger than the sum of its proper divisors (1387583104).
1431230432 is a wasteful number, since it uses less digits than its factorization.
1431230432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17130 (or 17122 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1431230432 is about 37831.6062572025. The cubic root of 1431230432 is about 1126.9462099828.
Adding to 1431230432 its reverse (2340321341), we get a palindrome (3771551773).
Subtracting 1431230432 from its reverse (2340321341), we obtain a palindrome (909090909).
It can be divided in two parts, 14312 and 30432, that added together give a palindrome (44744).
The spelling of 1431230432 in words is "one billion, four hundred thirty-one million, two hundred thirty thousand, four hundred thirty-two".
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