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20300001 = 36766667
BaseRepresentation
bin100110101110…
…0000011100001
31102012100100220
41031130003201
520144100001
62003033253
7334355451
oct115340341
942170326
1020300001
1110505767
12696b829
134289b47
1429a5d61
151baec36
hex135c0e1

20300001 has 4 divisors (see below), whose sum is σ = 27066672. Its totient is φ = 13533332.

The previous prime is 20299991. The next prime is 20300003. The reversal of 20300001 is 10000302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20300001 - 214 = 20283617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383331 + ... + 3383336.

It is an arithmetic number, because the mean of its divisors is an integer number (6766668).

Almost surely, 220300001 is an apocalyptic number.

It is an amenable number.

20300001 is a deficient number, since it is larger than the sum of its proper divisors (6766671).

20300001 is an equidigital number, since it uses as much as digits as its factorization.

20300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766670.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 20300001 is about 4505.5522414017. The cubic root of 20300001 is about 272.7922448941.

Adding to 20300001 its reverse (10000302), we get a palindrome (30300303).

The spelling of 20300001 in words is "twenty million, three hundred thousand, one".

Divisors: 1 3 6766667 20300001