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4010042 = 22005021
BaseRepresentation
bin1111010011000000111010
321112201202002
433103000322
52011310132
6221541002
746041041
oct17230072
97481662
104010042
112299893
121414762
13aa530a
14765558
15543262
hex3d303a

4010042 has 4 divisors (see below), whose sum is σ = 6015066. Its totient is φ = 2005020.

The previous prime is 4010029. The next prime is 4010047. The reversal of 4010042 is 2400104.

4010042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 1792921 = 1489^2 + 1339^2 .

It is not an unprimeable number, because it can be changed into a prime (4010047) 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 as a sum of consecutive naturals, namely, 1002509 + ... + 1002512.

Almost surely, 24010042 is an apocalyptic number.

4010042 is a deficient number, since it is larger than the sum of its proper divisors (2005024).

4010042 is a wasteful number, since it uses less digits than its factorization.

4010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005023.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4010042 is about 2002.5089263222. The cubic root of 4010042 is about 158.8728331989.

Adding to 4010042 its reverse (2400104), we get a palindrome (6410146).

The spelling of 4010042 in words is "four million, ten thousand, forty-two".

Divisors: 1 2 2005021 4010042