Base | Representation |
---|---|
bin | 10111111111001… |
… | …001100010110010 |
3 | 1001001020120100122 |
4 | 113333021202302 |
5 | 1311010231010 |
6 | 103533250242 |
7 | 12654412454 |
oct | 2777114262 |
9 | 1031216318 |
10 | 402430130 |
11 | 197185793 |
12 | b2933982 |
13 | 654b274b |
14 | 3b6382d4 |
15 | 254e3855 |
hex | 17fc98b2 |
402430130 has 32 divisors (see below), whose sum is σ = 754479360. Its totient is φ = 154405440.
The previous prime is 402430117. The next prime is 402430139. The reversal of 402430130 is 31034204.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 402430099 and 402430108.
It is not an unprimeable number, because it can be changed into a prime (402430139) 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 15 ways as a sum of consecutive naturals, for example, 18611 + ... + 33929.
It is an arithmetic number, because the mean of its divisors is an integer number (23577480).
Almost surely, 2402430130 is an apocalyptic number.
402430130 is a deficient number, since it is larger than the sum of its proper divisors (352049230).
402430130 is a wasteful number, since it uses less digits than its factorization.
402430130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15434.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 402430130 is about 20060.6612553026. The cubic root of 402430130 is about 738.2954007737.
Adding to 402430130 its reverse (31034204), we get a palindrome (433464334).
The spelling of 402430130 in words is "four hundred two million, four hundred thirty thousand, one hundred thirty".
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