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32628065 = 56525613
BaseRepresentation
bin111110001110…
…1110101100001
32021101200021212
41330131311201
531323044230
63123155505
7544222361
oct174356541
967350255
1032628065
1117465a48
12ab15b95
1369b5262
1444949a1
152ce7895
hex1f1dd61

32628065 has 4 divisors (see below), whose sum is σ = 39153684. Its totient is φ = 26102448.

The previous prime is 32628061. The next prime is 32628067. The reversal of 32628065 is 56082623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56082623 = 192951717.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 21492496 = 3337^2 + 4636^2 .

It is a cyclic number.

It is not a de Polignac number, because 32628065 - 22 = 32628061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32628061) 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, 3262802 + ... + 3262811.

It is an arithmetic number, because the mean of its divisors is an integer number (9788421).

Almost surely, 232628065 is an apocalyptic number.

It is an amenable number.

32628065 is a deficient number, since it is larger than the sum of its proper divisors (6525619).

32628065 is an equidigital number, since it uses as much as digits as its factorization.

32628065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525618.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 32628065 is about 5712.0981259079. The cubic root of 32628065 is about 319.5438324533.

The spelling of 32628065 in words is "thirty-two million, six hundred twenty-eight thousand, sixty-five".

Divisors: 1 5 6525613 32628065