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1992946256 = 24725576959
BaseRepresentation
bin111011011001001…
…1111001001010000
312010220002011022022
41312302133021100
513040143240011
6525431431012
7100246522640
oct16662371120
95126064268
101992946256
11932a6a024
12477525468
13259b77852
1414c980520
15b9e6c8db
hex76c9f250

1992946256 has 40 divisors (see below), whose sum is σ = 4415312640. Its totient is φ = 853663104.

The previous prime is 1992946253. The next prime is 1992946313. The reversal of 1992946256 is 6526492991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1992946198 and 1992946207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992946253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282905 + ... + 289863.

It is an arithmetic number, because the mean of its divisors is an integer number (110382816).

Almost surely, 21992946256 is an apocalyptic number.

1992946256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1992946256 is an abundant number, since it is smaller than the sum of its proper divisors (2422366384).

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

1992946256 is a wasteful number, since it uses less digits than its factorization.

1992946256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9525 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 1992946256 is about 44642.4266365528. The cubic root of 1992946256 is about 1258.4381117240.

The spelling of 1992946256 in words is "one billion, nine hundred ninety-two million, nine hundred forty-six thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 2557 5114 6959 10228 13918 17899 20456 27836 35798 40912 48713 55672 71596 97426 111344 143192 194852 286384 389704 779408 17794163 35588326 71176652 124559141 142353304 249118282 284706608 498236564 996473128 1992946256