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1044232040 = 23526105801
BaseRepresentation
bin111110001111011…
…011011101101000
32200202220111001202
4332033123131220
54114310411130
6251341303332
734606553165
oct7617333550
92622814052
101044232040
11496494a95
12251864b48
131384560a7
149c98306c
1561a1c145
hex3e3db768

1044232040 has 16 divisors (see below), whose sum is σ = 2349522180. Its totient is φ = 417692800.

The previous prime is 1044231997. The next prime is 1044232043. The reversal of 1044232040 is 402324401.

It can be written as a sum of positive squares in 2 ways, for example, as 969824164 + 74407876 = 31142^2 + 8626^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1044232043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13052861 + ... + 13052940.

Almost surely, 21044232040 is an apocalyptic number.

1044232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044232040 is an abundant number, since it is smaller than the sum of its proper divisors (1305290140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044232040 is a wasteful number, since it uses less digits than its factorization.

1044232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26105812 (or 26105808 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1044232040 is about 32314.5793721657. The cubic root of 1044232040 is about 1014.5318167236.

Adding to 1044232040 its reverse (402324401), we get a palindrome (1446556441).

The spelling of 1044232040 in words is "one billion, forty-four million, two hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 26105801 52211602 104423204 130529005 208846408 261058010 522116020 1044232040