Base | Representation |
---|---|
bin | 101010011010111… |
… | …1001010010001001 |
3 | 10200012101221111012 |
4 | 1110311321102021 |
5 | 10403343230114 |
6 | 353124413305 |
7 | 50162552144 |
oct | 12465712211 |
9 | 3605357435 |
10 | 1423414409 |
11 | 67053134a |
12 | 338847235 |
13 | 198b89061 |
14 | d708905b |
15 | 84e6c63e |
hex | 54d79489 |
1423414409 has 4 divisors (see below), whose sum is σ = 1485302016. Its totient is φ = 1361526804.
The previous prime is 1423414381. The next prime is 1423414427. The reversal of 1423414409 is 9044143241.
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 a de Polignac number, because none of the positive numbers 2k-1423414409 is a prime.
It is a super-2 number, since 2×14234144092 = 4052217159497638562, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1423414459) 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, 30943769 + ... + 30943814.
It is an arithmetic number, because the mean of its divisors is an integer number (371325504).
Almost surely, 21423414409 is an apocalyptic number.
It is an amenable number.
1423414409 is a deficient number, since it is larger than the sum of its proper divisors (61887607).
1423414409 is an equidigital number, since it uses as much as digits as its factorization.
1423414409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61887606.
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 1423414409 is about 37728.1646651411. The cubic root of 1423414409 is about 1124.8910272060.
The spelling of 1423414409 in words is "one billion, four hundred twenty-three million, four hundred fourteen thousand, four hundred nine".
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