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1044143140 = 22552207157
BaseRepresentation
bin111110001111000…
…101110000100100
32200202201222010011
4332033011300210
54114300040030
6251335340004
734606033045
oct7617056044
92622658104
101044143140
11496434217
12251821604
131384247a1
149c95c8cc
1561a00b2a
hex3e3c5c24

1044143140 has 12 divisors (see below), whose sum is σ = 2192700636. Its totient is φ = 417657248.

The previous prime is 1044143123. The next prime is 1044143153. The reversal of 1044143140 is 413414401.

1044143140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114746944 + 929396196 = 10712^2 + 30486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26103559 + ... + 26103598.

It is an arithmetic number, because the mean of its divisors is an integer number (182725053).

Almost surely, 21044143140 is an apocalyptic number.

1044143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044143140 is an abundant number, since it is smaller than the sum of its proper divisors (1148557496).

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

1044143140 is a wasteful number, since it uses less digits than its factorization.

1044143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52207166 (or 52207164 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1044143140 is about 32313.2038027801. The cubic root of 1044143140 is about 1014.5030254094.

Adding to 1044143140 its reverse (413414401), we get a palindrome (1457557541).

The spelling of 1044143140 in words is "one billion, forty-four million, one hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 52207157 104414314 208828628 261035785 522071570 1044143140