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3231213 = 310310457
BaseRepresentation
bin1100010100110111101101
320002011101120
430110313231
51311344323
6153131153
736315306
oct14246755
96064346
103231213
111907727
1210b9ab9
1389197b
146017ad
1543c5e3
hex314ded

3231213 has 8 divisors (see below), whose sum is σ = 4350528. Its totient is φ = 2133024.

The previous prime is 3231211. The next prime is 3231227. The reversal of 3231213 is 3121323.

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

It is not a de Polignac number, because 3231213 - 21 = 3231211 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3231192 and 3231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231211) 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 7 ways as a sum of consecutive naturals, for example, 4920 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (543816).

Almost surely, 23231213 is an apocalyptic number.

It is an amenable number.

3231213 is a deficient number, since it is larger than the sum of its proper divisors (1119315).

3231213 is a wasteful number, since it uses less digits than its factorization.

3231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563.

The product of its digits is 108, while the sum is 15.

The square root of 3231213 is about 1797.5575095112. The cubic root of 3231213 is about 147.8388341786.

Adding to 3231213 its reverse (3121323), we get a palindrome (6352536).

The spelling of 3231213 in words is "three million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 103 309 10457 31371 1077071 3231213