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1396228 = 221133089
BaseRepresentation
bin101010100111000000100
32121221021011
411110320010
5324134403
645532004
714603431
oct5247004
92557234
101396228
11874009
12574004
1339b692
14284b88
151c8a6d
hex154e04

1396228 has 12 divisors (see below), whose sum is σ = 2465820. Its totient is φ = 691712.

The previous prime is 1396223. The next prime is 1396237. The reversal of 1396228 is 8226931.

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 806404 = 768^2 + 898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1396228.

It is not an unprimeable number, because it can be changed into a prime (1396223) 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, 1093 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (205485).

21396228 is an apocalyptic number.

It is an amenable number.

1396228 is a deficient number, since it is larger than the sum of its proper divisors (1069592).

1396228 is a wasteful number, since it uses less digits than its factorization.

1396228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3204 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1396228 is about 1181.6209206002. The cubic root of 1396228 is about 111.7683349210.

The spelling of 1396228 in words is "one million, three hundred ninety-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 113 226 452 3089 6178 12356 349057 698114 1396228