Search a number
-
+
2212768 = 2569149
BaseRepresentation
bin1000011100001110100000
311011102100101
420130032200
51031302033
6115232144
724544135
oct10341640
94142311
102212768
111281538
128a8654
135c623c
1441858c
152da97d
hex21c3a0

2212768 has 12 divisors (see below), whose sum is σ = 4356450. Its totient is φ = 1106368.

The previous prime is 2212753. The next prime is 2212781. The reversal of 2212768 is 8672122.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 219024 = 1412^2 + 468^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34543 + ... + 34606.

22212768 is an apocalyptic number.

It is an amenable number.

2212768 is a deficient number, since it is larger than the sum of its proper divisors (2143682).

2212768 is an equidigital number, since it uses as much as digits as its factorization.

2212768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69159 (or 69151 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 2212768 is about 1487.5375625509. The cubic root of 2212768 is about 130.3102648337.

The spelling of 2212768 in words is "two million, two hundred twelve thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 69149 138298 276596 553192 1106384 2212768