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166448 = 24101103
BaseRepresentation
bin101000101000110000
322110022202
4220220300
520311243
63322332
71262162
oct505060
9273282
10166448
11104067
12803a8
135a9b9
1444932
15344b8
hex28a30

166448 has 20 divisors (see below), whose sum is σ = 328848. Its totient is φ = 81600.

The previous prime is 166429. The next prime is 166457. The reversal of 166448 is 844661.

It is a self number, because there is not a number n which added to its sum of digits gives 166448.

It is an unprimeable number.

166448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565 + ... + 1667.

2166448 is an apocalyptic number.

It is an amenable number.

166448 is a deficient number, since it is larger than the sum of its proper divisors (162400).

166448 is a wasteful number, since it uses less digits than its factorization.

166448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 166448 is about 407.9803916857. The cubic root of 166448 is about 55.0080429009.

The spelling of 166448 in words is "one hundred sixty-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 101 103 202 206 404 412 808 824 1616 1648 10403 20806 41612 83224 166448