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2012202 = 23412421
BaseRepresentation
bin111101011010000101010
310210020020000
413223100222
51003342302
6111043430
723050323
oct7532052
93706200
102012202
111154885
12810576
13555b6a
143a544a
1529b31c
hex1eb42a

2012202 has 20 divisors (see below), whose sum is σ = 4509186. Its totient is φ = 670680.

The previous prime is 2012189. The next prime is 2012203. The reversal of 2012202 is 2022102.

Adding to 2012202 its reverse (2022102), we get a palindrome (4034304).

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 826281 = 1089^2 + 909^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6049 + ... + 6372.

22012202 is an apocalyptic number.

2012202 is an abundant number, since it is smaller than the sum of its proper divisors (2496984).

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

2012202 is a wasteful number, since it uses less digits than its factorization.

2012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435 (or 12426 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2012202 is about 1418.5210608236. The cubic root of 2012202 is about 126.2478116145.

The spelling of 2012202 in words is "two million, twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 12421 24842 37263 74526 111789 223578 335367 670734 1006101 2012202