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2873196 = 223279811
BaseRepresentation
bin1010111101011101101100
312101222021200
422331131230
51213420241
6141325500
733264444
oct12753554
95358250
102873196
111692747
12b66890
13797a21
1454b124
153bb4b6
hex2bd76c

2873196 has 18 divisors (see below), whose sum is σ = 7262892. Its totient is φ = 957720.

The previous prime is 2873179. The next prime is 2873203. The reversal of 2873196 is 6913782.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 79811 = 2873196 / (2 + 8 + 7 + 3 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 2873196.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39870 + ... + 39941.

It is an arithmetic number, because the mean of its divisors is an integer number (403494).

22873196 is an apocalyptic number.

It is an amenable number.

2873196 is an abundant number, since it is smaller than the sum of its proper divisors (4389696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2873196 is a wasteful number, since it uses less digits than its factorization.

2873196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79821 (or 79816 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2873196 is about 1695.0504417273. The cubic root of 2873196 is about 142.1636016913.

The spelling of 2873196 in words is "two million, eight hundred seventy-three thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 79811 159622 239433 319244 478866 718299 957732 1436598 2873196