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2012942 = 21006471
BaseRepresentation
bin111101011011100001110
310210021020102
413223130032
51003403232
6111051102
723052431
oct7533416
93707212
102012942
111155398
12810a92
135562b9
143a5818
1529b662
hex1eb70e

2012942 has 4 divisors (see below), whose sum is σ = 3019416. Its totient is φ = 1006470.

The previous prime is 2012909. The next prime is 2012951. The reversal of 2012942 is 2492102.

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

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, 503234 + ... + 503237.

It is an arithmetic number, because the mean of its divisors is an integer number (754854).

22012942 is an apocalyptic number.

2012942 is a deficient number, since it is larger than the sum of its proper divisors (1006474).

2012942 is a wasteful number, since it uses less digits than its factorization.

2012942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006473.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2012942 is about 1418.7818718887. The cubic root of 2012942 is about 126.2632858612.

It can be divided in two parts, 20 and 12942, that multiplied together give a triangular number (258840 = T719).

The spelling of 2012942 in words is "two million, twelve thousand, nine hundred forty-two".

Divisors: 1 2 1006471 2012942