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2020317 = 31351803
BaseRepresentation
bin111101101001111011101
310210122100120
413231033131
51004122232
6111145153
723113065
oct7551735
93718316
102020317
11115a992
128151b9
13559770
143a83a5
1529d92c
hex1ed3dd

2020317 has 8 divisors (see below), whose sum is σ = 2901024. Its totient is φ = 1243248.

The previous prime is 2020313. The next prime is 2020321. The reversal of 2020317 is 7130202.

It is an interprime number because it is at equal distance from previous prime (2020313) and next prime (2020321).

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

It is not a de Polignac number, because 2020317 - 22 = 2020313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020296 and 2020305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020313) 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, 25863 + ... + 25940.

It is an arithmetic number, because the mean of its divisors is an integer number (362628).

22020317 is an apocalyptic number.

It is an amenable number.

2020317 is a deficient number, since it is larger than the sum of its proper divisors (880707).

2020317 is a wasteful number, since it uses less digits than its factorization.

2020317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51819.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2020317 is about 1421.3785561911. The cubic root of 2020317 is about 126.4172987127.

Adding to 2020317 its reverse (7130202), we get a palindrome (9150519).

The spelling of 2020317 in words is "two million, twenty thousand, three hundred seventeen".

Divisors: 1 3 13 39 51803 155409 673439 2020317