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66328 = 238291
BaseRepresentation
bin10000001100011000
310100222121
4100030120
54110303
61231024
7364243
oct201430
9110877
1066328
1145919
1232474
1324262
141a25a
15149bd
hex10318

66328 has 8 divisors (see below), whose sum is σ = 124380. Its totient is φ = 33160.

The previous prime is 66301. The next prime is 66337. The reversal of 66328 is 82366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a congruent number.

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, 4138 + ... + 4153.

266328 is an apocalyptic number.

It is an amenable number.

66328 is a deficient number, since it is larger than the sum of its proper divisors (58052).

66328 is a wasteful number, since it uses less digits than its factorization.

66328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8293 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 66328 is about 257.5422295469. The cubic root of 66328 is about 40.4792354056.

The spelling of 66328 in words is "sixty-six thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 8291 16582 33164 66328