Base | Representation |
---|---|
bin | 101010101111111… |
… | …1010101111011111 |
3 | 10200222010121122000 |
4 | 1111133322233133 |
5 | 10414203233211 |
6 | 354200453343 |
7 | 50355312630 |
oct | 12537725737 |
9 | 3628117560 |
10 | 1434430431 |
11 | 6767758a5 |
12 | 34047a253 |
13 | 19b245205 |
14 | d8715887 |
15 | 85de6656 |
hex | 557fabdf |
1434430431 has 32 divisors (see below), whose sum is σ = 2437048320. Its totient is φ = 816845472.
The previous prime is 1434430429. The next prime is 1434430447. The reversal of 1434430431 is 1340344341.
1434430431 is a `hidden beast` number, since 14 + 344 + 304 + 3 + 1 = 666.
It is not a de Polignac number, because 1434430431 - 21 = 1434430429 is a prime.
It is a super-2 number, since 2×14344304312 = 4115181322757691522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1434430395 and 1434430404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1434430031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42426 + ... + 68328.
It is an arithmetic number, because the mean of its divisors is an integer number (76157760).
Almost surely, 21434430431 is an apocalyptic number.
1434430431 is a deficient number, since it is larger than the sum of its proper divisors (1002617889).
1434430431 is a wasteful number, since it uses less digits than its factorization.
1434430431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26212 (or 26206 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 1434430431 is about 37873.8753100340. The cubic root of 1434430431 is about 1127.7854744255.
Adding to 1434430431 its reverse (1340344341), we get a palindrome (2774774772).
The spelling of 1434430431 in words is "one billion, four hundred thirty-four million, four hundred thirty thousand, four hundred thirty-one".
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