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163197 = 3218133
BaseRepresentation
bin100111110101111101
322021212100
4213311331
520210242
63255313
71246536
oct476575
9267770
10163197
11101681
127a539
1359388
144368d
153354c
hex27d7d

163197 has 6 divisors (see below), whose sum is σ = 235742. Its totient is φ = 108792.

The previous prime is 163193. The next prime is 163199. The reversal of 163197 is 791361.

It can be written as a sum of positive squares in only one way, i.e., 133956 + 29241 = 366^2 + 171^2 .

It is not a de Polignac number, because 163197 - 22 = 163193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163193) 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 5 ways as a sum of consecutive naturals, for example, 9058 + ... + 9075.

2163197 is an apocalyptic number.

It is an amenable number.

163197 is a deficient number, since it is larger than the sum of its proper divisors (72545).

163197 is a wasteful number, since it uses less digits than its factorization.

163197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18139 (or 18136 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 163197 is about 403.9764844641. The cubic root of 163197 is about 54.6475534676.

It can be divided in two parts, 1631 and 97, that added together give a cube (1728 = 123).

The spelling of 163197 in words is "one hundred sixty-three thousand, one hundred ninety-seven".

Divisors: 1 3 9 18133 54399 163197