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1276228 = 22319057
BaseRepresentation
bin100110111100101000100
32101211122201
410313211010
5311314403
643204244
713563532
oct4674504
92354581
101276228
117a1938
12516684
13358b85
14253152
151a321d
hex137944

1276228 has 6 divisors (see below), whose sum is σ = 2233406. Its totient is φ = 638112.

The previous prime is 1276213. The next prime is 1276237. The reversal of 1276228 is 8226721.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 3844 = 1128^2 + 62^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1276196 and 1276205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159525 + ... + 159532.

21276228 is an apocalyptic number.

It is an amenable number.

1276228 is a deficient number, since it is larger than the sum of its proper divisors (957178).

1276228 is a wasteful number, since it uses less digits than its factorization.

1276228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319061 (or 319059 counting only the distinct ones).

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

The square root of 1276228 is about 1129.7026157357. The cubic root of 1276228 is about 108.4699457344.

The spelling of 1276228 in words is "one million, two hundred seventy-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 319057 638114 1276228