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2065142 = 21032571
BaseRepresentation
bin111111000001011110110
310212220211202
413320023312
51012041032
6112132502
723360552
oct7701366
93786752
102065142
111190632
12837132
13573ca1
143ba862
152abd62
hex1f82f6

2065142 has 4 divisors (see below), whose sum is σ = 3097716. Its totient is φ = 1032570.

The previous prime is 2065121. The next prime is 2065153. The reversal of 2065142 is 2415602.

It is a happy number.

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

It is a super-2 number, since 2×20651422 = 8529622960328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 516284 + ... + 516287.

It is an arithmetic number, because the mean of its divisors is an integer number (774429).

22065142 is an apocalyptic number.

2065142 is a deficient number, since it is larger than the sum of its proper divisors (1032574).

2065142 is a wasteful number, since it uses less digits than its factorization.

2065142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032573.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2065142 is about 1437.0601935897. The cubic root of 2065142 is about 127.3454130574.

The spelling of 2065142 in words is "two million, sixty-five thousand, one hundred forty-two".

Divisors: 1 2 1032571 2065142