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20006673 = 326325357
BaseRepresentation
bin100110001010…
…0011100010001
31101122102222220
41030110130101
520110203143
61552451253
7332024331
oct114243421
941572886
1020006673
1110325345
126849b29
1341b648b
14292b0c1
151b52d83
hex1314711

20006673 has 8 divisors (see below), whose sum is σ = 26778048. Its totient is φ = 13286544.

The previous prime is 20006663. The next prime is 20006681. The reversal of 20006673 is 37660002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20006673 - 25 = 20006641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20006663) 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, 11890 + ... + 13467.

It is an arithmetic number, because the mean of its divisors is an integer number (3347256).

Almost surely, 220006673 is an apocalyptic number.

It is an amenable number.

20006673 is a deficient number, since it is larger than the sum of its proper divisors (6771375).

20006673 is a wasteful number, since it uses less digits than its factorization.

20006673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25623.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20006673 is about 4472.8819568596. The cubic root of 20006673 is about 271.4719471505.

Adding to 20006673 its reverse (37660002), we get a palindrome (57666675).

The spelling of 20006673 in words is "twenty million, six thousand, six hundred seventy-three".

Divisors: 1 3 263 789 25357 76071 6668891 20006673