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43027998 = 23131314211
BaseRepresentation
bin1010010000100…
…0111000011110
32222222001022120
42210020320132
542003343443
64134123410
71031506026
oct244107036
988861276
1043027998
1122319632
12124b0566
138bb6b70
145a00a86
153b9e083
hex2908e1e

43027998 has 32 divisors (see below), whose sum is σ = 93405312. Its totient is φ = 13135200.

The previous prime is 43027987. The next prime is 43028033. The reversal of 43027998 is 89972034.

It is a super-2 number, since 2×430279982 = 3702817223776008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8113 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 243027998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43027998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46702656).

43027998 is an abundant number, since it is smaller than the sum of its proper divisors (50377314).

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

43027998 is a wasteful number, since it uses less digits than its factorization.

43027998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 43027998 is about 6559.5730043959. The cubic root of 43027998 is about 350.4158268586.

The spelling of 43027998 in words is "forty-three million, twenty-seven thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 131 262 393 786 1703 3406 4211 5109 8422 10218 12633 25266 54743 109486 164229 328458 551641 1103282 1654923 3309846 7171333 14342666 21513999 43027998