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2768288 = 2586509
BaseRepresentation
bin1010100011110110100000
312012122101012
422203312200
51202041123
6135200052
732346545
oct12436640
95178335
102768288
111620946
12b16028
1375c053
14520bcc
1539a378
hex2a3da0

2768288 has 12 divisors (see below), whose sum is σ = 5450130. Its totient is φ = 1384128.

The previous prime is 2768287. The next prime is 2768291. The reversal of 2768288 is 8828672.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 169744 = 1612^2 + 412^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2768287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43223 + ... + 43286.

22768288 is an apocalyptic number.

It is an amenable number.

2768288 is a deficient number, since it is larger than the sum of its proper divisors (2681842).

2768288 is an equidigital number, since it uses as much as digits as its factorization.

2768288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86519 (or 86511 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 2768288 is about 1663.8172976622. The cubic root of 2768288 is about 140.4118484710.

The spelling of 2768288 in words is "two million, seven hundred sixty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 86509 173018 346036 692072 1384144 2768288