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990739382 = 21926072089
BaseRepresentation
bin111011000011010…
…111101110110110
32120001020202221012
4323003113232312
54012112130012
6242150552222
733360101003
oct7303275666
92501222835
10990739382
11469279186
12237968672
1312a347029
149581a8aa
155bea2622
hex3b0d7bb6

990739382 has 8 divisors (see below), whose sum is σ = 1564325400. Its totient is φ = 469297584.

The previous prime is 990739381. The next prime is 990739391. The reversal of 990739382 is 283937099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 990739382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990739381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13036007 + ... + 13036082.

It is an arithmetic number, because the mean of its divisors is an integer number (195540675).

Almost surely, 2990739382 is an apocalyptic number.

990739382 is a deficient number, since it is larger than the sum of its proper divisors (573586018).

990739382 is a wasteful number, since it uses less digits than its factorization.

990739382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072110.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 990739382 is about 31476.0128034032. The cubic root of 990739382 is about 996.9035492222.

The spelling of 990739382 in words is "nine hundred ninety million, seven hundred thirty-nine thousand, three hundred eighty-two".

Divisors: 1 2 19 38 26072089 52144178 495369691 990739382