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20314117 is a prime number
BaseRepresentation
bin100110101111…
…1100000000101
31102020001201201
41031133200011
520200022432
62003222501
7334444555
oct115374005
942201651
1020314117
111051532a
126977a31
1342933b5
1429ab165
151bb3ee7
hex135f805

20314117 has 2 divisors, whose sum is σ = 20314118. Its totient is φ = 20314116.

The previous prime is 20314081. The next prime is 20314127. The reversal of 20314117 is 71141302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19061956 + 1252161 = 4366^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314117 - 27 = 20313989 is a prime.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 20314094 and 20314103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20314127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157058 + 10157059.

It is an arithmetic number, because the mean of its divisors is an integer number (10157059).

Almost surely, 220314117 is an apocalyptic number.

It is an amenable number.

20314117 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314117 is an equidigital number, since it uses as much as digits as its factorization.

20314117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20314117 is about 4507.1184808035. The cubic root of 20314117 is about 272.8554607056.

Adding to 20314117 its reverse (71141302), we get a palindrome (91455419).

The spelling of 20314117 in words is "twenty million, three hundred fourteen thousand, one hundred seventeen".