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166488 = 2337991
BaseRepresentation
bin101000101001011000
322110101020
4220221120
520311423
63322440
71262250
oct505130
9273336
10166488
111040a3
1280420
135aa1a
1444960
15344e3
hex28a58

166488 has 32 divisors (see below), whose sum is σ = 476160. Its totient is φ = 47520.

The previous prime is 166487. The next prime is 166541. The reversal of 166488 is 884661.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166488.

It is not an unprimeable number, because it can be changed into a prime (166487) by changing a digit.

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, 328 + ... + 663.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2166488 is an apocalyptic number.

It is an amenable number.

166488 is an abundant number, since it is smaller than the sum of its proper divisors (309672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166488 is a wasteful number, since it uses less digits than its factorization.

166488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1003 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 166488 is about 408.0294107047. The cubic root of 166488 is about 55.0124489727.

The spelling of 166488 in words is "one hundred sixty-six thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 991 1982 2973 3964 5946 6937 7928 11892 13874 20811 23784 27748 41622 55496 83244 166488