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2050042 = 21025021
BaseRepresentation
bin111110100011111111010
310212011010111
413310133322
51011100132
6111534534
723265541
oct7643772
93764114
102050042
111180255
1282a44a
1356a157
143b5158
152a7647
hex1f47fa

2050042 has 4 divisors (see below), whose sum is σ = 3075066. Its totient is φ = 1025020.

The previous prime is 2050033. The next prime is 2050057. The reversal of 2050042 is 2400502.

It is a happy number.

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., 2013561 + 36481 = 1419^2 + 191^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512509 + ... + 512512.

22050042 is an apocalyptic number.

2050042 is a deficient number, since it is larger than the sum of its proper divisors (1025024).

2050042 is a wasteful number, since it uses less digits than its factorization.

2050042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025023.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 2050042 is about 1431.7967732887. The cubic root of 2050042 is about 127.0342768166.

Adding to 2050042 its reverse (2400502), we get a palindrome (4450544).

The spelling of 2050042 in words is "two million, fifty thousand, forty-two", and thus it is an eban number.

Divisors: 1 2 1025021 2050042