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1323141 = 319139167
BaseRepresentation
bin101000011000010000101
32111020000020
411003002011
5314320031
644205353
714150361
oct5030205
92436006
101323141
11824106
12539859
13374331
142662a1
151b2096
hex143085

1323141 has 16 divisors (see below), whose sum is σ = 1881600. Its totient is φ = 824688.

The previous prime is 1323139. The next prime is 1323143. The reversal of 1323141 is 1413231.

It is an interprime number because it is at equal distance from previous prime (1323139) and next prime (1323143).

It is not a de Polignac number, because 1323141 - 21 = 1323139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323143) 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 15 ways as a sum of consecutive naturals, for example, 7840 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

21323141 is an apocalyptic number.

1323141 is the 728-th centered pentagonal number.

It is an amenable number.

1323141 is a deficient number, since it is larger than the sum of its proper divisors (558459).

1323141 is a wasteful number, since it uses less digits than its factorization.

1323141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

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

The square root of 1323141 is about 1150.2786618902. The cubic root of 1323141 is about 109.7830711025.

Adding to 1323141 its reverse (1413231), we get a palindrome (2736372).

The spelling of 1323141 in words is "one million, three hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 3 19 57 139 167 417 501 2641 3173 7923 9519 23213 69639 441047 1323141