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1320323 = 4132203
BaseRepresentation
bin101000010010110000011
32111002010212
411002112003
5314222243
644144335
714136224
oct5022603
92432125
101320323
11821a84
125380ab
13372c74
1426524b
151b1318
hex142583

1320323 has 4 divisors (see below), whose sum is σ = 1352568. Its totient is φ = 1288080.

The previous prime is 1320307. The next prime is 1320331. The reversal of 1320323 is 3230231.

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 1320323 - 24 = 1320307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320298 and 1320307.

It is not an unprimeable number, because it can be changed into a prime (1320343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16061 + ... + 16142.

It is an arithmetic number, because the mean of its divisors is an integer number (338142).

21320323 is an apocalyptic number.

1320323 is a deficient number, since it is larger than the sum of its proper divisors (32245).

1320323 is an equidigital number, since it uses as much as digits as its factorization.

1320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32244.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1320323 is about 1149.0530884167. The cubic root of 1320323 is about 109.7050777559.

Adding to 1320323 its reverse (3230231), we get a palindrome (4550554).

The spelling of 1320323 in words is "one million, three hundred twenty thousand, three hundred twenty-three".

Divisors: 1 41 32203 1320323