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1040331140 = 22552016557
BaseRepresentation
bin111110000000100…
…011000110000100
32200111120022000222
4332000203012010
54112311044030
6251121523512
734531445252
oct7600430604
92614508028
101040331140
11494270202
122504a3598
131376bb674
149c2495d2
15614eb3e5
hex3e023184

1040331140 has 12 divisors (see below), whose sum is σ = 2184695436. Its totient is φ = 416132448.

The previous prime is 1040331119. The next prime is 1040331151. The reversal of 1040331140 is 411330401.

It can be written as a sum of positive squares in 2 ways, for example, as 259016836 + 781314304 = 16094^2 + 27952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26008259 + ... + 26008298.

It is an arithmetic number, because the mean of its divisors is an integer number (182057953).

Almost surely, 21040331140 is an apocalyptic number.

1040331140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040331140 is an abundant number, since it is smaller than the sum of its proper divisors (1144364296).

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

1040331140 is a wasteful number, since it uses less digits than its factorization.

1040331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52016566 (or 52016564 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1040331140 is about 32254.1646923308. The cubic root of 1040331140 is about 1013.2669236931.

Adding to 1040331140 its reverse (411330401), we get a palindrome (1451661541).

The spelling of 1040331140 in words is "one billion, forty million, three hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 52016557 104033114 208066228 260082785 520165570 1040331140