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166552 = 23109191
BaseRepresentation
bin101000101010011000
322110110121
4220222120
520312202
63323024
71262401
oct505230
9273417
10166552
11104151
1280474
135aa69
14449a8
1534537
hex28a98

166552 has 16 divisors (see below), whose sum is σ = 316800. Its totient is φ = 82080.

The previous prime is 166541. The next prime is 166561. The reversal of 166552 is 255661.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 777 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2166552 is an apocalyptic number.

It is an amenable number.

166552 is a deficient number, since it is larger than the sum of its proper divisors (150248).

166552 is a wasteful number, since it uses less digits than its factorization.

166552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 302 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 166552 is about 408.1078288884. The cubic root of 166552 is about 55.0194972197.

The spelling of 166552 in words is "one hundred sixty-six thousand, five hundred fifty-two".

Divisors: 1 2 4 8 109 191 218 382 436 764 872 1528 20819 41638 83276 166552