Base | Representation |
---|---|
bin | 101010011010111… |
… | …1101001000000101 |
3 | 10200012102202002011 |
4 | 1110311331020011 |
5 | 10403344231044 |
6 | 353125014221 |
7 | 50162646061 |
oct | 12465751005 |
9 | 3605382064 |
10 | 1423430149 |
11 | 670542159 |
12 | 338854371 |
13 | 198b9327b |
14 | d7090aa1 |
15 | 84e72134 |
hex | 54d7d205 |
1423430149 has 8 divisors (see below), whose sum is σ = 1439510688. Its totient is φ = 1407428880.
The previous prime is 1423430147. The next prime is 1423430167. The reversal of 1423430149 is 9410343241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1423430149 - 21 = 1423430147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1423430149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1423430147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16674 + ... + 55900.
It is an arithmetic number, because the mean of its divisors is an integer number (179938836).
Almost surely, 21423430149 is an apocalyptic number.
It is an amenable number.
1423430149 is a deficient number, since it is larger than the sum of its proper divisors (16080539).
1423430149 is a wasteful number, since it uses less digits than its factorization.
1423430149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39635.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 1423430149 is about 37728.3732620425. The cubic root of 1423430149 is about 1124.8951735084.
The spelling of 1423430149 in words is "one billion, four hundred twenty-three million, four hundred thirty thousand, one hundred forty-nine".
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