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232481 = 383607
BaseRepresentation
bin111000110000100001
3102210220102
4320300201
524414411
64552145
71655534
oct706041
9383812
10232481
11149737
12b2655
1381a82
1460a1b
1548d3b
hex38c21

232481 has 4 divisors (see below), whose sum is σ = 233472. Its totient is φ = 231492.

The previous prime is 232459. The next prime is 232487. The reversal of 232481 is 184232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 232481 - 26 = 232417 is a prime.

It is a super-2 number, since 2×2324812 = 108094830722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 686.

It is an arithmetic number, because the mean of its divisors is an integer number (58368).

2232481 is an apocalyptic number.

It is an amenable number.

232481 is a deficient number, since it is larger than the sum of its proper divisors (991).

232481 is an equidigital number, since it uses as much as digits as its factorization.

232481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 384, while the sum is 20.

The square root of 232481 is about 482.1628355649. The cubic root of 232481 is about 61.4887722690.

The spelling of 232481 in words is "two hundred thirty-two thousand, four hundred eighty-one".

Divisors: 1 383 607 232481