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20301017 = 112167777
BaseRepresentation
bin100110101110…
…0010011011001
31102012101202112
41031130103121
520144113032
62003042105
7334361432
oct115342331
942171675
1020301017
1110506500
126970335
13428a449
1429a6489
151bb01b2
hex135c4d9

20301017 has 6 divisors (see below), whose sum is σ = 22314474. Its totient is φ = 18455360.

The previous prime is 20301007. The next prime is 20301037. The reversal of 20301017 is 71010302.

It can be written as a sum of positive squares in only one way, i.e., 13097161 + 7203856 = 3619^2 + 2684^2 .

It is not a de Polignac number, because 20301017 - 26 = 20300953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300992 and 20301010.

It is not an unprimeable number, because it can be changed into a prime (20301007) 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 5 ways as a sum of consecutive naturals, for example, 83768 + ... + 84009.

It is an arithmetic number, because the mean of its divisors is an integer number (3719079).

Almost surely, 220301017 is an apocalyptic number.

It is an amenable number.

20301017 is a deficient number, since it is larger than the sum of its proper divisors (2013457).

20301017 is a wasteful number, since it uses less digits than its factorization.

20301017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167799 (or 167788 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20301017 is about 4505.6649897657. The cubic root of 20301017 is about 272.7967958347.

Adding to 20301017 its reverse (71010302), we get a palindrome (91311319).

The spelling of 20301017 in words is "twenty million, three hundred one thousand, seventeen".

Divisors: 1 11 121 167777 1845547 20301017