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163001 = 1923373
BaseRepresentation
bin100111110010111001
322021121002
4213302321
520204001
63254345
71246136
oct476271
9267532
10163001
11101513
127a3b5
1359267
144358d
153346b
hex27cb9

163001 has 8 divisors (see below), whose sum is σ = 179520. Its totient is φ = 147312.

The previous prime is 162997. The next prime is 163003. The reversal of 163001 is 100361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163001 - 22 = 162997 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (163003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (22440).

2163001 is an apocalyptic number.

It is an amenable number.

163001 is a deficient number, since it is larger than the sum of its proper divisors (16519).

163001 is a wasteful number, since it uses less digits than its factorization.

163001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 163001 is about 403.7338232053. The cubic root of 163001 is about 54.6256674213.

Adding to 163001 its reverse (100361), we get a palindrome (263362).

The spelling of 163001 in words is "one hundred sixty-three thousand, one".

Divisors: 1 19 23 373 437 7087 8579 163001