Base | Representation |
---|---|
bin | 11001001110000… |
… | …111001110111011 |
3 | 1002111012020022002 |
4 | 121032013032323 |
5 | 1331310130133 |
6 | 105553051215 |
7 | 13325355200 |
oct | 3116071673 |
9 | 1074166262 |
10 | 423130043 |
11 | 1a7933956 |
12 | b9856b0b |
13 | 6987c60b |
14 | 402a5ca7 |
15 | 27231ce8 |
hex | 193873bb |
423130043 has 24 divisors (see below), whose sum is σ = 500346000. Its totient is φ = 356747328.
The previous prime is 423130033. The next prime is 423130069. The reversal of 423130043 is 340031324.
It is not a de Polignac number, because 423130043 - 26 = 423129979 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 423129997 and 423130024.
It is not an unprimeable number, because it can be changed into a prime (423130013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212233 + ... + 1212581.
It is an arithmetic number, because the mean of its divisors is an integer number (20847750).
Almost surely, 2423130043 is an apocalyptic number.
423130043 is a deficient number, since it is larger than the sum of its proper divisors (77215957).
423130043 is a wasteful number, since it uses less digits than its factorization.
423130043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 699 (or 692 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 423130043 is about 20570.1250117737. The cubic root of 423130043 is about 750.7429928909.
Adding to 423130043 its reverse (340031324), we get a palindrome (763161367).
The spelling of 423130043 in words is "four hundred twenty-three million, one hundred thirty thousand, forty-three".
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