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1996831944 = 233227733777
BaseRepresentation
bin111011100000101…
…0011110011001000
312011011101120110200
41313001103303020
513042142110234
6530051012200
7100324535322
oct16701236310
95134346420
101996831944
11935183438
1247889a060
1325a908383
1414d2b2612
15ba488d99
hex77053cc8

1996831944 has 24 divisors (see below), whose sum is σ = 5408086710. Its totient is φ = 665610624.

The previous prime is 1996831939. The next prime is 1996831957. The reversal of 1996831944 is 4491386991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1122920100 + 873911844 = 33510^2 + 29562^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13866817 + ... + 13866960.

Almost surely, 21996831944 is an apocalyptic number.

It is an amenable number.

1996831944 is an abundant number, since it is smaller than the sum of its proper divisors (3411254766).

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

1996831944 is a wasteful number, since it uses less digits than its factorization.

1996831944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27733789 (or 27733782 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 1996831944 is about 44685.9255694676. The cubic root of 1996831944 is about 1259.2554482536.

The spelling of 1996831944 in words is "one billion, nine hundred ninety-six million, eight hundred thirty-one thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 27733777 55467554 83201331 110935108 166402662 221870216 249603993 332805324 499207986 665610648 998415972 1996831944