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2282247 = 321123053
BaseRepresentation
bin1000101101001100000111
311021221122200
420231030013
51041012442
6120525543
725253532
oct10551407
94257580
102282247
111319760
129208b3
1361ba56
14435a19
1530134c
hex22d307

2282247 has 12 divisors (see below), whose sum is σ = 3596424. Its totient is φ = 1383120.

The previous prime is 2282243. The next prime is 2282249. The reversal of 2282247 is 7422822.

It is not a de Polignac number, because 2282247 - 22 = 2282243 is a prime.

It is a d-powerful number, because it can be written as 214 + 217 + 83 + 218 + 220 + 42 + 77 .

It is a self number, because there is not a number n which added to its sum of digits gives 2282247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11428 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (299702).

22282247 is an apocalyptic number.

2282247 is a deficient number, since it is larger than the sum of its proper divisors (1314177).

2282247 is a wasteful number, since it uses less digits than its factorization.

2282247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070 (or 23067 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2282247 is about 1510.7107598743. The cubic root of 2282247 is about 131.6601104108.

The spelling of 2282247 in words is "two million, two hundred eighty-two thousand, two hundred forty-seven".

Divisors: 1 3 9 11 33 99 23053 69159 207477 253583 760749 2282247