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1940660003 = 15115498297
BaseRepresentation
bin111001110101100…
…0001111100100011
312000020200202001102
41303223001330203
512433302110003
6520323025015
766043223612
oct16353017443
95006622042
101940660003
119064a7647
12461b0b16b
1324c09b939
14145a4d879
15b5590588
hex73ac1f23

1940660003 has 8 divisors (see below), whose sum is σ = 1955008800. Its totient is φ = 1926331200.

The previous prime is 1940659999. The next prime is 1940660017. The reversal of 1940660003 is 3000660491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1940660003 - 22 = 1940659999 is a prime.

It is a super-2 number, since 2×19406600032 = 7532322494487920018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940660023) by changing a digit.

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, 229751 + ... + 238047.

It is an arithmetic number, because the mean of its divisors is an integer number (244376100).

Almost surely, 21940660003 is an apocalyptic number.

1940660003 is a deficient number, since it is larger than the sum of its proper divisors (14348797).

1940660003 is a wasteful number, since it uses less digits than its factorization.

1940660003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1940660003 is about 44052.9227520717. The cubic root of 1940660003 is about 1247.3351234236.

The spelling of 1940660003 in words is "one billion, nine hundred forty million, six hundred sixty thousand, three".

Divisors: 1 151 1549 8297 233899 1252847 12852053 1940660003