Base | Representation |
---|---|
bin | 100110111110… |
… | …0110001010001 |
3 | 1102110011011212 |
4 | 1031330301101 |
5 | 20212342001 |
6 | 2005545505 |
7 | 335454230 |
oct | 115746121 |
9 | 42404155 |
10 | 20434001 |
11 | 10597405 |
12 | 6a15295 |
13 | 4305b33 |
14 | 29dcb17 |
15 | 1bd97bb |
hex | 137cc51 |
20434001 has 8 divisors (see below), whose sum is σ = 23749440. Its totient is φ = 17217648.
The previous prime is 20433989. The next prime is 20434069. The reversal of 20434001 is 10043402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20434001 - 210 = 20432977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20434081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24326 + ... + 25151.
It is an arithmetic number, because the mean of its divisors is an integer number (2968680).
Almost surely, 220434001 is an apocalyptic number.
It is an amenable number.
20434001 is a deficient number, since it is larger than the sum of its proper divisors (3315439).
20434001 is an equidigital number, since it uses as much as digits as its factorization.
20434001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49543.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 20434001 is about 4520.3983231569. The cubic root of 20434001 is about 273.3911615038.
Adding to 20434001 its reverse (10043402), we get a palindrome (30477403).
The spelling of 20434001 in words is "twenty million, four hundred thirty-four thousand, one".
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