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1043331140 = 225173068621
BaseRepresentation
bin111110001011111…
…111100001000100
32200201012201021002
4332023333201010
54114043044030
6251310112432
734566111515
oct7613774104
92621181232
101043331140
11495a2a145
122514ab718
131381cc007
149c7caa0c
15618e0245
hex3e2ff844

1043331140 has 24 divisors (see below), whose sum is σ = 2319878232. Its totient is φ = 392783360.

The previous prime is 1043331139. The next prime is 1043331193. The reversal of 1043331140 is 411333401.

It can be written as a sum of positive squares in 4 ways, for example, as 328624384 + 714706756 = 18128^2 + 26734^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533971 + ... + 1534650.

It is an arithmetic number, because the mean of its divisors is an integer number (96661593).

Almost surely, 21043331140 is an apocalyptic number.

1043331140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043331140 is an abundant number, since it is smaller than the sum of its proper divisors (1276547092).

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

1043331140 is a wasteful number, since it uses less digits than its factorization.

1043331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068647 (or 3068645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1043331140 is about 32300.6368358272. The cubic root of 1043331140 is about 1014.2399739625.

Adding to 1043331140 its reverse (411333401), we get a palindrome (1454664541).

The spelling of 1043331140 in words is "one billion, forty-three million, three hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3068621 6137242 12274484 15343105 30686210 52166557 61372420 104333114 208666228 260832785 521665570 1043331140