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2820027 = 37134287
BaseRepresentation
bin1010110000011110111011
312022021100110
422300132323
51210220102
6140235403
732653440
oct12603673
95267313
102820027
111656801
12b3bb63
13779772
145359c7
153aa86c
hex2b07bb

2820027 has 8 divisors (see below), whose sum is σ = 4297216. Its totient is φ = 1611432.

The previous prime is 2820019. The next prime is 2820031. The reversal of 2820027 is 7200282.

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

It is not a de Polignac number, because 2820027 - 23 = 2820019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 134287 = 2820027 / (2 + 8 + 2 + 0 + 0 + 2 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 2819985 and 2820012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820017) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 67123 + ... + 67164.

It is an arithmetic number, because the mean of its divisors is an integer number (537152).

22820027 is an apocalyptic number.

2820027 is a deficient number, since it is larger than the sum of its proper divisors (1477189).

2820027 is a wasteful number, since it uses less digits than its factorization.

2820027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134297.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2820027 is about 1679.2936014884. The cubic root of 2820027 is about 141.2812153320.

The spelling of 2820027 in words is "two million, eight hundred twenty thousand, twenty-seven".

Divisors: 1 3 7 21 134287 402861 940009 2820027