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2020901 = 4794219
BaseRepresentation
bin111101101011000100101
310210200011012
413231120211
51004132101
6111152005
723114561
oct7553045
93720135
102020901
111160373
12815605
13559acc
143a86a1
1529dbbb
hex1ed625

2020901 has 4 divisors (see below), whose sum is σ = 2025600. Its totient is φ = 2016204.

The previous prime is 2020891. The next prime is 2020913. The reversal of 2020901 is 1090202.

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 a de Polignac number, because none of the positive numbers 2k-2020901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (506400).

22020901 is an apocalyptic number.

It is an amenable number.

2020901 is a deficient number, since it is larger than the sum of its proper divisors (4699).

2020901 is an equidigital number, since it uses as much as digits as its factorization.

2020901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2020901 is about 1421.5839757116. The cubic root of 2020901 is about 126.4294784168.

The spelling of 2020901 in words is "two million, twenty thousand, nine hundred one".

Divisors: 1 479 4219 2020901