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2873285 = 5574657
BaseRepresentation
bin1010111101011111000101
312101222101222
422331133011
51213421120
6141330125
733264632
oct12753705
95358358
102873285
111692818
12b66945
13797a8c
1454b189
153bb525
hex2bd7c5

2873285 has 4 divisors (see below), whose sum is σ = 3447948. Its totient is φ = 2298624.

The previous prime is 2873281. The next prime is 2873287. The reversal of 2873285 is 5823782.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 1473796 = 1183^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873285 - 22 = 2873281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287324 + ... + 287333.

It is an arithmetic number, because the mean of its divisors is an integer number (861987).

22873285 is an apocalyptic number.

It is an amenable number.

2873285 is a deficient number, since it is larger than the sum of its proper divisors (574663).

2873285 is an equidigital number, since it uses as much as digits as its factorization.

2873285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574662.

The product of its digits is 26880, while the sum is 35.

The square root of 2873285 is about 1695.0766944301. The cubic root of 2873285 is about 142.1650695608.

The spelling of 2873285 in words is "two million, eight hundred seventy-three thousand, two hundred eighty-five".

Divisors: 1 5 574657 2873285