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1328607 = 32721089
BaseRepresentation
bin101000100010111011111
32111111111200
411010113133
5320003412
644250543
714202330
oct5042737
92444450
101328607
11828225
12540a53
13376977
14268287
151b39dc
hex1445df

1328607 has 12 divisors (see below), whose sum is σ = 2193360. Its totient is φ = 759168.

The previous prime is 1328603. The next prime is 1328611. The reversal of 1328607 is 7068231.

It is an interprime number because it is at equal distance from previous prime (1328603) and next prime (1328611).

It is not a de Polignac number, because 1328607 - 22 = 1328603 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10482 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (182780).

21328607 is an apocalyptic number.

1328607 is a deficient number, since it is larger than the sum of its proper divisors (864753).

1328607 is a wasteful number, since it uses less digits than its factorization.

1328607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21102 (or 21099 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1328607 is about 1152.6521591530. The cubic root of 1328607 is about 109.9340375880.

The spelling of 1328607 in words is "one million, three hundred twenty-eight thousand, six hundred seven".

Divisors: 1 3 7 9 21 63 21089 63267 147623 189801 442869 1328607