Base | Representation |
---|---|
bin | 100110010000… |
… | …0000110100011 |
3 | 1101201212111212 |
4 | 1030200012203 |
5 | 20113220220 |
6 | 1553500335 |
7 | 332313512 |
oct | 114400643 |
9 | 41655455 |
10 | 20054435 |
11 | 10358215 |
12 | 68716ab |
13 | 420213b |
14 | 2940679 |
15 | 1b620c5 |
hex | 13201a3 |
20054435 has 8 divisors (see below), whose sum is σ = 24114480. Its totient is φ = 16010784.
The previous prime is 20054431. The next prime is 20054467. The reversal of 20054435 is 53445002.
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 20054435 - 22 = 20054431 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20054435.
It is not an unprimeable number, because it can be changed into a prime (20054431) 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, 1220 + ... + 6449.
It is an arithmetic number, because the mean of its divisors is an integer number (3014310).
Almost surely, 220054435 is an apocalyptic number.
20054435 is a deficient number, since it is larger than the sum of its proper divisors (4060045).
20054435 is an equidigital number, since it uses as much as digits as its factorization.
20054435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8197.
The product of its (nonzero) digits is 2400, while the sum is 23.
The square root of 20054435 is about 4478.2178374885. The cubic root of 20054435 is about 271.6878041106.
Adding to 20054435 its reverse (53445002), we get a palindrome (73499437).
The spelling of 20054435 in words is "twenty million, fifty-four thousand, four hundred thirty-five".
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