Base | Representation |
---|---|
bin | 101010011010111… |
… | …1101000111101010 |
3 | 10200012102202001011 |
4 | 1110311331013222 |
5 | 10403344230442 |
6 | 353125014134 |
7 | 50162646022 |
oct | 12465750752 |
9 | 3605382034 |
10 | 1423430122 |
11 | 670542134 |
12 | 33885434a |
13 | 198b9325a |
14 | d7090a82 |
15 | 84e72117 |
hex | 54d7d1ea |
1423430122 has 4 divisors (see below), whose sum is σ = 2135145186. Its totient is φ = 711715060.
The previous prime is 1423430117. The next prime is 1423430123. The reversal of 1423430122 is 2210343241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210343241 = 2767 ⋅798823.
It can be written as a sum of positive squares in only one way, i.e., 1330133841 + 93296281 = 36471^2 + 9659^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1423430093 and 1423430102.
It is not an unprimeable number, because it can be changed into a prime (1423430123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355857529 + ... + 355857532.
Almost surely, 21423430122 is an apocalyptic number.
1423430122 is a deficient number, since it is larger than the sum of its proper divisors (711715064).
1423430122 is an equidigital number, since it uses as much as digits as its factorization.
1423430122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711715063.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1423430122 is about 37728.3729042216. The cubic root of 1423430122 is about 1124.8951663959.
Adding to 1423430122 its reverse (2210343241), we get a palindrome (3633773363).
The spelling of 1423430122 in words is "one billion, four hundred twenty-three million, four hundred thirty thousand, one hundred twenty-two".
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