Base | Representation |
---|---|
bin | 11001010000110… |
… | …001111010001011 |
3 | 1002112111202021020 |
4 | 121100301322023 |
5 | 1332000013011 |
6 | 110020043523 |
7 | 13334326305 |
oct | 3120617213 |
9 | 1075452236 |
10 | 423829131 |
11 | 1a8271110 |
12 | b9b335a3 |
13 | 69a6588b |
14 | 40408975 |
15 | 2731e006 |
hex | 19431e8b |
423829131 has 8 divisors (see below), whose sum is σ = 616478784. Its totient is φ = 256866120.
The previous prime is 423829129. The next prime is 423829163. The reversal of 423829131 is 131928324.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 423829131 - 21 = 423829129 is a prime.
It is a super-2 number, since 2×4238291312 = 359262264568430322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 12843307 = 423829131 / (4 + 2 + 3 + 8 + 2 + 9 + 1 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 423829092 and 423829101.
It is not an unprimeable number, because it can be changed into a prime (423829031) 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, 6421621 + ... + 6421686.
It is an arithmetic number, because the mean of its divisors is an integer number (77059848).
Almost surely, 2423829131 is an apocalyptic number.
423829131 is a deficient number, since it is larger than the sum of its proper divisors (192649653).
423829131 is a wasteful number, since it uses less digits than its factorization.
423829131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12843321.
The product of its digits is 10368, while the sum is 33.
The square root of 423829131 is about 20587.1107977783. The cubic root of 423829131 is about 751.1562201795.
The spelling of 423829131 in words is "four hundred twenty-three million, eight hundred twenty-nine thousand, one hundred thirty-one".
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