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2855249 = 7339113
BaseRepresentation
bin1010111001000101010001
312101001122222
422321011101
51212331444
6141110425
733161225
oct12710521
95331588
102855249
111680211
12b58415
1378c7c7
14544785
153b5eee
hex2b9151

2855249 has 4 divisors (see below), whose sum is σ = 2894436. Its totient is φ = 2816064.

The previous prime is 2855239. The next prime is 2855257. The reversal of 2855249 is 9425582.

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 937024 + 1918225 = 968^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855249 - 24 = 2855233 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 (2855239) 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, 19484 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (723609).

22855249 is an apocalyptic number.

It is an amenable number.

2855249 is a deficient number, since it is larger than the sum of its proper divisors (39187).

2855249 is an equidigital number, since it uses as much as digits as its factorization.

2855249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39186.

The product of its digits is 28800, while the sum is 35.

The square root of 2855249 is about 1689.7482060946. The cubic root of 2855249 is about 141.8669818287.

The spelling of 2855249 in words is "two million, eight hundred fifty-five thousand, two hundred forty-nine".

Divisors: 1 73 39113 2855249