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1940250806 = 21325740387
BaseRepresentation
bin111001110100101…
…1110000010110110
312000012220221201222
41303221132002312
512433201011211
6520310150342
766036600614
oct16351360266
95005827658
101940250806
1190624816a
124619523b2
1324bc87600
141459846b4
15b550e1db
hex73a5e0b6

1940250806 has 12 divisors (see below), whose sum is σ = 3151473012. Its totient is φ = 895500216.

The previous prime is 1940250791. The next prime is 1940250857. The reversal of 1940250806 is 6080520491.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2869856 + ... + 2870531.

It is an arithmetic number, because the mean of its divisors is an integer number (262622751).

Almost surely, 21940250806 is an apocalyptic number.

1940250806 is a deficient number, since it is larger than the sum of its proper divisors (1211222206).

1940250806 is a wasteful number, since it uses less digits than its factorization.

1940250806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740415 (or 5740402 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1940250806 is about 44048.2781275273. The cubic root of 1940250806 is about 1247.2474484972.

The spelling of 1940250806 in words is "one billion, nine hundred forty million, two hundred fifty thousand, eight hundred six".

Divisors: 1 2 13 26 169 338 5740387 11480774 74625031 149250062 970125403 1940250806