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1996771304 = 2311374911249
BaseRepresentation
bin111011100000100…
…0100111111101000
312011011021111021202
41313001010333220
513042133140204
6530045423332
7100324163453
oct16701047750
95134244252
101996771304
11935141920
1247886ab48
1325a8b68a8
1414d29849a
15ba475e1e
hex77044fe8

1996771304 has 64 divisors (see below), whose sum is σ = 4206600000. Its totient is φ = 880588800.

The previous prime is 1996771297. The next prime is 1996771321. The reversal of 1996771304 is 4031776991.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598072 + ... + 1599320.

It is an arithmetic number, because the mean of its divisors is an integer number (65728125).

Almost surely, 21996771304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996771304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103300000).

1996771304 is an abundant number, since it is smaller than the sum of its proper divisors (2209828696).

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

1996771304 is a wasteful number, since it uses less digits than its factorization.

1996771304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 1996771304 is about 44685.2470509004. The cubic root of 1996771304 is about 1259.2427010578.

The spelling of 1996771304 in words is "one billion, nine hundred ninety-six million, seven hundred seventy-one thousand, three hundred four".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 491 814 982 1249 1628 1964 2498 3256 3928 4996 5401 9992 10802 13739 18167 21604 27478 36334 43208 46213 54956 72668 92426 109912 145336 184852 199837 369704 399674 508343 613259 799348 1016686 1226518 1598696 2033372 2453036 4066744 4906072 6745849 13491698 22690583 26983396 45381166 53966792 90762332 181524664 249596413 499192826 998385652 1996771304