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994042769 = 18131117659
BaseRepresentation
bin111011001111111…
…110001110010001
32120021110121022212
4323033332032101
54013433332034
6242345441505
733430136606
oct7317761621
92507417285
10994042769
11470125055
12238aa0295
1312ac327b5
149603a6ad
155c4062ce
hex3b3fe391

994042769 has 8 divisors (see below), whose sum is σ = 1002805440. Its totient is φ = 985316400.

The previous prime is 994042759. The next prime is 994042781. The reversal of 994042769 is 967240499.

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

It is a cyclic number.

It is not a de Polignac number, because 994042769 - 220 = 992994193 is a prime.

It is a super-2 number, since 2×9940427692 = 1976242053202374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994042759) 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 7 ways as a sum of consecutive naturals, for example, 47462 + ... + 65120.

It is an arithmetic number, because the mean of its divisors is an integer number (125350680).

Almost surely, 2994042769 is an apocalyptic number.

It is an amenable number.

994042769 is a deficient number, since it is larger than the sum of its proper divisors (8762671).

994042769 is a wasteful number, since it uses less digits than its factorization.

994042769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18151.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 994042769 is about 31528.4438087261. The cubic root of 994042769 is about 998.0103000531.

The spelling of 994042769 in words is "nine hundred ninety-four million, forty-two thousand, seven hundred sixty-nine".

Divisors: 1 181 311 17659 56291 3196279 5491949 994042769