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9992983 = 7111367149
BaseRepresentation
bin100110000111…
…101100010111
3200210200210111
4212013230113
510024233413
6554103451
7150640030
oct46075427
920720714
109992983
115705970
12341ab87
1320bb610
141481a87
15d25d3d
hex987b17

9992983 has 32 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 7032960.

The previous prime is 9992963. The next prime is 9993019. The reversal of 9992983 is 3892999.

It is not a de Polignac number, because 9992983 - 213 = 9984791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66993 + ... + 67141.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 29992983 is an apocalyptic number.

9992983 is a deficient number, since it is larger than the sum of its proper divisors (3715817).

9992983 is a wasteful number, since it uses less digits than its factorization.

9992983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 314928, while the sum is 49.

The square root of 9992983 is about 3161.1679803516. The cubic root of 9992983 is about 215.3930649844.

The spelling of 9992983 in words is "nine million, nine hundred ninety-two thousand, nine hundred eighty-three".

Divisors: 1 7 11 13 67 77 91 143 149 469 737 871 1001 1043 1639 1937 5159 6097 9581 9983 11473 13559 21307 67067 69881 109813 129779 149149 768691 908453 1427569 9992983