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1328748 = 223110729
BaseRepresentation
bin101000100011001101100
32111111200220
411010121230
5320004443
644251340
714202621
oct5043154
92444626
101328748
11828343
12540b50
13376a55
14268348
151b3a83
hex14466c

1328748 has 12 divisors (see below), whose sum is σ = 3100440. Its totient is φ = 442912.

The previous prime is 1328741. The next prime is 1328749. The reversal of 1328748 is 8478231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1328741) 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, 55353 + ... + 55376.

It is an arithmetic number, because the mean of its divisors is an integer number (258370).

21328748 is an apocalyptic number.

It is an amenable number.

1328748 is an abundant number, since it is smaller than the sum of its proper divisors (1771692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1328748 is a wasteful number, since it uses less digits than its factorization.

1328748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110736 (or 110734 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 1328748 is about 1152.7133208218. The cubic root of 1328748 is about 109.9379264106.

The spelling of 1328748 in words is "one million, three hundred twenty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 110729 221458 332187 442916 664374 1328748