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2812042 = 210113921
BaseRepresentation
bin1010101110100010001010
312021212101201
422232202022
51204441132
6140134414
732621242
oct12564212
95255351
102812042
111650802
12b3740a
13775c3c
14532b22
153a82e7
hex2ae88a

2812042 has 8 divisors (see below), whose sum is σ = 4260132. Its totient is φ = 1392000.

The previous prime is 2812031. The next prime is 2812063. The reversal of 2812042 is 2402182.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 312481 = 1581^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6759 + ... + 7162.

22812042 is an apocalyptic number.

2812042 is a deficient number, since it is larger than the sum of its proper divisors (1448090).

2812042 is a wasteful number, since it uses less digits than its factorization.

2812042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2812042 is about 1676.9144283475. The cubic root of 2812042 is about 141.1477417917.

The spelling of 2812042 in words is "two million, eight hundred twelve thousand, forty-two".

Divisors: 1 2 101 202 13921 27842 1406021 2812042