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536665 = 5181593
BaseRepresentation
bin10000011000001011001
31000021011111
42003001121
5114133130
615300321
74363423
oct2030131
91007144
10536665
11337228
1221a6a1
1315a36c
14dd813
15a902a
hex83059

536665 has 8 divisors (see below), whose sum is σ = 648648. Its totient is φ = 426240.

The previous prime is 536651. The next prime is 536671. The reversal of 536665 is 566635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 535824 = 29^2 + 732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 536665 - 25 = 536633 is a prime.

It is a d-powerful number, because it can be written as 53 + 311 + 62 + 64 + 67 + 57 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (81081).

2536665 is an apocalyptic number.

It is an amenable number.

536665 is a deficient number, since it is larger than the sum of its proper divisors (111983).

536665 is a wasteful number, since it uses less digits than its factorization.

536665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 16200, while the sum is 31.

The square root of 536665 is about 732.5742283209. The cubic root of 536665 is about 81.2645417759.

The spelling of 536665 in words is "five hundred thirty-six thousand, six hundred sixty-five".

Divisors: 1 5 181 593 905 2965 107333 536665