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1081141 = 4723003
BaseRepresentation
bin100000111111100110101
32000221001021
410013330311
5234044031
635101141
712122005
oct4077465
92027037
101081141
11679306
124417b1
132bb139
14202005
15165511
hex107f35

1081141 has 4 divisors (see below), whose sum is σ = 1104192. Its totient is φ = 1058092.

The previous prime is 1081139. The next prime is 1081153. The reversal of 1081141 is 1411801.

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 an emirpimes, since its reverse is a distinct semiprime: 1411801 = 2116691.

It is a cyclic number.

It is not a de Polignac number, because 1081141 - 21 = 1081139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081121) 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, 11455 + ... + 11548.

It is an arithmetic number, because the mean of its divisors is an integer number (276048).

21081141 is an apocalyptic number.

It is an amenable number.

1081141 is a deficient number, since it is larger than the sum of its proper divisors (23051).

1081141 is an equidigital number, since it uses as much as digits as its factorization.

1081141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1081141 is about 1039.7793035063. The cubic root of 1081141 is about 102.6346752425.

Adding to 1081141 its reverse (1411801), we get a palindrome (2492942).

The spelling of 1081141 in words is "one million, eighty-one thousand, one hundred forty-one".

Divisors: 1 47 23003 1081141