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2272328 = 23284041
BaseRepresentation
bin1000101010110001001000
311021110001022
420222301020
51040203303
6120412012
725212602
oct10526110
94243038
102272328
111312263
12917008
13617396
14432172
152ed438
hex22ac48

2272328 has 8 divisors (see below), whose sum is σ = 4260630. Its totient is φ = 1136160.

The previous prime is 2272321. The next prime is 2272337. The reversal of 2272328 is 8232722.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 362404 = 1382^2 + 602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 28 + 214 + 75 + 217 + 38 + 221 + 84 .

It is a junction number, because it is equal to n+sod(n) for n = 2272297 and 2272306.

It is not an unprimeable number, because it can be changed into a prime (2272321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142013 + ... + 142028.

22272328 is an apocalyptic number.

It is an amenable number.

2272328 is a deficient number, since it is larger than the sum of its proper divisors (1988302).

2272328 is a wasteful number, since it uses less digits than its factorization.

2272328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284047 (or 284043 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2272328 is about 1507.4242932897. The cubic root of 2272328 is about 131.4690949845.

The spelling of 2272328 in words is "two million, two hundred seventy-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 284041 568082 1136164 2272328