Base | Representation |
---|---|
bin | 101010101111010… |
… | …1111011111101101 |
3 | 10200221112221211211 |
4 | 1111132233133231 |
5 | 10414113402341 |
6 | 354150114421 |
7 | 50352560230 |
oct | 12536573755 |
9 | 3627487754 |
10 | 1434122221 |
11 | 676585284 |
12 | 34034ba11 |
13 | 19b167b3c |
14 | d8675417 |
15 | 85d85181 |
hex | 557af7ed |
1434122221 has 4 divisors (see below), whose sum is σ = 1638996832. Its totient is φ = 1229247612.
The previous prime is 1434122219. The next prime is 1434122269. The reversal of 1434122221 is 1222214341.
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.
It is a cyclic number.
It is not a de Polignac number, because 1434122221 - 21 = 1434122219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1434122192 and 1434122201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1434122201) 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, 102437295 + ... + 102437308.
It is an arithmetic number, because the mean of its divisors is an integer number (409749208).
Almost surely, 21434122221 is an apocalyptic number.
It is an amenable number.
1434122221 is a deficient number, since it is larger than the sum of its proper divisors (204874611).
1434122221 is an equidigital number, since it uses as much as digits as its factorization.
1434122221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204874610.
The product of its digits is 768, while the sum is 22.
The square root of 1434122221 is about 37869.8061917407. The cubic root of 1434122221 is about 1127.7046944745.
Adding to 1434122221 its reverse (1222214341), we get a palindrome (2656336562).
The spelling of 1434122221 in words is "one billion, four hundred thirty-four million, one hundred twenty-two thousand, two hundred twenty-one".
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