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2020797 = 32317243
BaseRepresentation
bin111101101010110111101
310210200000100
413231112331
51004131142
6111151313
723114352
oct7552675
93720010
102020797
111160289
12815539
13559a4c
143a8629
1529db4c
hex1ed5bd

2020797 has 12 divisors (see below), whose sum is σ = 3013504. Its totient is φ = 1303560.

The previous prime is 2020793. The next prime is 2020817. The reversal of 2020797 is 7970202.

It is not a de Polignac number, because 2020797 - 22 = 2020793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3343 + ... + 3900.

22020797 is an apocalyptic number.

It is an amenable number.

2020797 is a deficient number, since it is larger than the sum of its proper divisors (992707).

2020797 is a wasteful number, since it uses less digits than its factorization.

2020797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280 (or 7277 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 2020797 is about 1421.5473963256. The cubic root of 2020797 is about 126.4273096001.

Adding to 2020797 its reverse (7970202), we get a palindrome (9990999).

The spelling of 2020797 in words is "two million, twenty thousand, seven hundred ninety-seven".

Divisors: 1 3 9 31 93 279 7243 21729 65187 224533 673599 2020797