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1228804 = 22307201
BaseRepresentation
bin100101100000000000100
32022102121021
410230000010
5303310204
642200524
713305343
oct4540004
92272537
101228804
1176a245
124b3144
13340405
1423db5a
15194154
hex12c004

1228804 has 6 divisors (see below), whose sum is σ = 2150414. Its totient is φ = 614400.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228804 is 4088221.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 14400 = 1102^2 + 120^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153597 + ... + 153604.

21228804 is an apocalyptic number.

It is an amenable number.

1228804 is a deficient number, since it is larger than the sum of its proper divisors (921610).

1228804 is a wasteful number, since it uses less digits than its factorization.

1228804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307205 (or 307203 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1228804 is about 1108.5143210622. The cubic root of 1228804 is about 107.1093882340.

The spelling of 1228804 in words is "one million, two hundred twenty-eight thousand, eight hundred four".

Divisors: 1 2 4 307201 614402 1228804