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1040320441 = 9710724953
BaseRepresentation
bin111110000000100…
…000011110111001
32200111112202100201
4332000200132321
54112310223231
6251121402201
734531402126
oct7600403671
92614482321
101040320441
11494263166
12250499361
131376b6834
149c24574d
15614e8161
hex3e0207b9

1040320441 has 4 divisors (see below), whose sum is σ = 1051045492. Its totient is φ = 1029595392.

The previous prime is 1040320439. The next prime is 1040320481. The reversal of 1040320441 is 1440230401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 209670400 + 830650041 = 14480^2 + 28821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040320441 - 21 = 1040320439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040320481) 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, 5362380 + ... + 5362573.

It is an arithmetic number, because the mean of its divisors is an integer number (262761373).

Almost surely, 21040320441 is an apocalyptic number.

It is an amenable number.

1040320441 is a deficient number, since it is larger than the sum of its proper divisors (10725051).

1040320441 is an equidigital number, since it uses as much as digits as its factorization.

1040320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725050.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040320441 is about 32253.9988373535. The cubic root of 1040320441 is about 1013.2634501260.

Adding to 1040320441 its reverse (1440230401), we get a palindrome (2480550842).

The spelling of 1040320441 in words is "one billion, forty million, three hundred twenty thousand, four hundred forty-one".

Divisors: 1 97 10724953 1040320441