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1274228 = 22318557
BaseRepresentation
bin100110111000101110100
32101201220122
410313011310
5311233403
643151112
713554644
oct4670564
92351818
101274228
117a038a
12515498
13357ca7
14252524
151a2838
hex137174

1274228 has 6 divisors (see below), whose sum is σ = 2229906. Its totient is φ = 637112.

The previous prime is 1274227. The next prime is 1274249. The reversal of 1274228 is 8224721.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 394384 = 938^2 + 628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1274197 and 1274206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159275 + ... + 159282.

It is an arithmetic number, because the mean of its divisors is an integer number (371651).

21274228 is an apocalyptic number.

It is an amenable number.

1274228 is a deficient number, since it is larger than the sum of its proper divisors (955678).

1274228 is a wasteful number, since it uses less digits than its factorization.

1274228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318561 (or 318559 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 1274228 is about 1128.8170799558. The cubic root of 1274228 is about 108.4132543716.

Adding to 1274228 its reverse (8224721), we get a palindrome (9498949).

The spelling of 1274228 in words is "one million, two hundred seventy-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 318557 637114 1274228