Search a number
-
+
163772 = 2275849
BaseRepresentation
bin100111111110111100
322022122122
4213332330
520220042
63302112
71251320
oct477674
9268578
10163772
11102054
127a938
135970b
1443980
15337d2
hex27fbc

163772 has 12 divisors (see below), whose sum is σ = 327600. Its totient is φ = 70176.

The previous prime is 163771. The next prime is 163781. The reversal of 163772 is 277361.

163772 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2163772 is an apocalyptic number.

It is an amenable number.

163772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163772 is a wasteful number, since it uses less digits than its factorization.

163772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860 (or 5858 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 163772 is about 404.6875337838. The cubic root of 163772 is about 54.7116590401.

The spelling of 163772 in words is "one hundred sixty-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 5849 11698 23396 40943 81886 163772