Base | Representation |
---|---|
bin | 101010011001000… |
… | …0110110000100111 |
3 | 10200010112110211102 |
4 | 1110302012300213 |
5 | 10403114433111 |
6 | 353051230315 |
7 | 50151244043 |
oct | 12462066047 |
9 | 3603473742 |
10 | 1422421031 |
11 | 66aa12a79 |
12 | 33844839b |
13 | 1988cbb65 |
14 | d6cab023 |
15 | 84d2313b |
hex | 54c86c27 |
1422421031 has 4 divisors (see below), whose sum is σ = 1422496464. Its totient is φ = 1422345600.
The previous prime is 1422421009. The next prime is 1422421067. The reversal of 1422421031 is 1301242241.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 1422421031 - 214 = 1422404647 is a prime.
It is a super-2 number, since 2×14224210312 = 4046563178862205922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1422420994 and 1422421012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1422421631) 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, 18446 + ... + 56436.
It is an arithmetic number, because the mean of its divisors is an integer number (355624116).
Almost surely, 21422421031 is an apocalyptic number.
1422421031 is a deficient number, since it is larger than the sum of its proper divisors (75433).
1422421031 is an equidigital number, since it uses as much as digits as its factorization.
1422421031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75432.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1422421031 is about 37714.9974280789. The cubic root of 1422421031 is about 1124.6292851955.
Adding to 1422421031 its reverse (1301242241), we get a palindrome (2723663272).
The spelling of 1422421031 in words is "one billion, four hundred twenty-two million, four hundred twenty-one thousand, thirty-one".
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