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2020266 = 232112237
BaseRepresentation
bin111101101001110101010
310210122021200
413231032222
51004122031
6111145030
723112663
oct7551652
93718250
102020266
11115a946
12815176
13559731
143a836a
1529d8e6
hex1ed3aa

2020266 has 12 divisors (see below), whose sum is σ = 4377282. Its totient is φ = 673416.

The previous prime is 2020261. The next prime is 2020279. The reversal of 2020266 is 6620202.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 140625 = 1371^2 + 375^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 112237 = 2020266 / (2 + 0 + 2 + 0 + 2 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (2020261) 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, 56101 + ... + 56136.

22020266 is an apocalyptic number.

2020266 is an abundant number, since it is smaller than the sum of its proper divisors (2357016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020266 is a wasteful number, since it uses less digits than its factorization.

2020266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112245 (or 112242 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2020266 is about 1421.3606157482. The cubic root of 2020266 is about 126.4162349627.

Adding to 2020266 its reverse (6620202), we get a palindrome (8640468).

The spelling of 2020266 in words is "two million, twenty thousand, two hundred sixty-six".

Divisors: 1 2 3 6 9 18 112237 224474 336711 673422 1010133 2020266