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232161 = 3194073
BaseRepresentation
bin111000101011100001
3102210110120
4320223201
524412121
64550453
71654566
oct705341
9383416
10232161
11149476
12b2429
1381897
146086d
1548bc6
hex38ae1

232161 has 8 divisors (see below), whose sum is σ = 325920. Its totient is φ = 146592.

The previous prime is 232153. The next prime is 232171. The reversal of 232161 is 161232.

232161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 232161 - 23 = 232153 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 232161.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 232161.

It is not an unprimeable number, because it can be changed into a prime (232171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (40740).

2232161 is an apocalyptic number.

It is an amenable number.

232161 is a deficient number, since it is larger than the sum of its proper divisors (93759).

232161 is a wasteful number, since it uses less digits than its factorization.

232161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095.

The product of its digits is 72, while the sum is 15.

The square root of 232161 is about 481.8308831945. The cubic root of 232161 is about 61.4605471066.

Adding to 232161 its reverse (161232), we get a palindrome (393393).

It can be divided in two parts, 232 and 161, that added together give a palindrome (393).

The spelling of 232161 in words is "two hundred thirty-two thousand, one hundred sixty-one".

Divisors: 1 3 19 57 4073 12219 77387 232161