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3230431 = 4178791
BaseRepresentation
bin1100010100101011011111
320002010022121
430110223133
51311333211
6153123411
736313111
oct14245337
96063277
103230431
111907086
1210b9567
138914c9
146013b1
1543c271
hex314adf

3230431 has 4 divisors (see below), whose sum is σ = 3309264. Its totient is φ = 3151600.

The previous prime is 3230411. The next prime is 3230441. The reversal of 3230431 is 1340323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3230431 - 213 = 3222239 is a prime.

It is a super-2 number, since 2×32304312 = 20871368891522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3230431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230401) 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 3 ways as a sum of consecutive naturals, for example, 39355 + ... + 39436.

It is an arithmetic number, because the mean of its divisors is an integer number (827316).

Almost surely, 23230431 is an apocalyptic number.

3230431 is a deficient number, since it is larger than the sum of its proper divisors (78833).

3230431 is an equidigital number, since it uses as much as digits as its factorization.

3230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78832.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3230431 is about 1797.3399789689. The cubic root of 3230431 is about 147.8269068419.

Adding to 3230431 its reverse (1340323), we get a palindrome (4570754).

The spelling of 3230431 in words is "three million, two hundred thirty thousand, four hundred thirty-one".

Divisors: 1 41 78791 3230431