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1968241436 = 227172243233
BaseRepresentation
bin111010101010000…
…1111101100011100
312002011121000122222
41311110033230130
513012332211221
6523150124512
766526530140
oct16524175434
95064530588
101968241436
11920025a17
1246b1b0738
13254a07b05
1414958d220
15b7bdc9ab
hex7550fb1c

1968241436 has 36 divisors (see below), whose sum is σ = 4181678928. Its totient is φ = 793909248.

The previous prime is 1968241421. The next prime is 1968241447. The reversal of 1968241436 is 6341428691.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 113525 + ... + 129708.

It is an arithmetic number, because the mean of its divisors is an integer number (116157748).

Almost surely, 21968241436 is an apocalyptic number.

It is an amenable number.

1968241436 is an abundant number, since it is smaller than the sum of its proper divisors (2213437492).

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

1968241436 is a wasteful number, since it uses less digits than its factorization.

1968241436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243278 (or 243259 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 1968241436 is about 44364.8671360571. The cubic root of 1968241436 is about 1253.2165555965.

The spelling of 1968241436 in words is "one billion, nine hundred sixty-eight million, two hundred forty-one thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 289 476 578 1156 2023 4046 8092 243233 486466 972932 1702631 3405262 4134961 6810524 8269922 16539844 28944727 57889454 70294337 115778908 140588674 281177348 492060359 984120718 1968241436