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2043303140 = 225102165157
BaseRepresentation
bin111100111001010…
…0101010011100100
312021101211112222002
41321302211103210
513141041200030
6534431024432
7101430535004
oct17162452344
95241745862
102043303140
1195943398a
1249036b118
13267429518
1415552c004
15be5b8245
hex79ca54e4

2043303140 has 12 divisors (see below), whose sum is σ = 4290936636. Its totient is φ = 817321248.

The previous prime is 2043303131. The next prime is 2043303169. The reversal of 2043303140 is 413033402.

It can be written as a sum of positive squares in 2 ways, for example, as 595652836 + 1447650304 = 24406^2 + 38048^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 102165157 = 2043303140 / (2 + 0 + 4 + 3 + 3 + 0 + 3 + 1 + 4 + 0).

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, 51082559 + ... + 51082598.

It is an arithmetic number, because the mean of its divisors is an integer number (357578053).

Almost surely, 22043303140 is an apocalyptic number.

2043303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043303140 is an abundant number, since it is smaller than the sum of its proper divisors (2247633496).

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

2043303140 is a wasteful number, since it uses less digits than its factorization.

2043303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102165166 (or 102165164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2043303140 is about 45202.9107469862. The cubic root of 2043303140 is about 1268.9492911239.

Adding to 2043303140 its reverse (413033402), we get a palindrome (2456336542).

The spelling of 2043303140 in words is "two billion, forty-three million, three hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 102165157 204330314 408660628 510825785 1021651570 2043303140