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2836256 = 25611453
BaseRepresentation
bin1010110100011100100000
312100002121112
422310130200
51211230011
6140442452
733051653
oct12643440
95302545
102836256
111667a15
12b49428
13783c77
1453b89a
153b058b
hex2b4720

2836256 has 24 divisors (see below), whose sum is σ = 5679324. Its totient is φ = 1393920.

The previous prime is 2836243. The next prime is 2836259. The reversal of 2836256 is 6526382.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 400 = 1684^2 + 20^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 25 + 87 + 311 + 67 + 211 + 5 + 67 .

It is not an unprimeable number, because it can be changed into a prime (2836259) 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, 1226 + ... + 2678.

22836256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2836256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839662).

2836256 is an abundant number, since it is smaller than the sum of its proper divisors (2843068).

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

2836256 is a wasteful number, since it uses less digits than its factorization.

2836256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1516 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2836256 is about 1684.1187606579. The cubic root of 2836256 is about 141.5517172889.

The spelling of 2836256 in words is "two million, eight hundred thirty-six thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1453 1952 2906 5812 11624 23248 46496 88633 177266 354532 709064 1418128 2836256