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163146 = 2327191
BaseRepresentation
bin100111110101001010
322021210110
4213311022
520210041
63255150
71246434
oct476512
9267713
10163146
11101635
127a4b6
1359349
1443654
1533516
hex27d4a

163146 has 8 divisors (see below), whose sum is σ = 326304. Its totient is φ = 54380.

The previous prime is 163129. The next prime is 163147. The reversal of 163146 is 641361.

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

163146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (163147) by changing a digit.

163146 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, 13590 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (40788).

2163146 is an apocalyptic number.

163146 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.

163146 is a wasteful number, since it uses less digits than its factorization.

163146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27196.

The product of its digits is 432, while the sum is 21.

The square root of 163146 is about 403.9133570458. The cubic root of 163146 is about 54.6418603164.

The spelling of 163146 in words is "one hundred sixty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 27191 54382 81573 163146