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42803343 = 3311314649
BaseRepresentation
bin1010001101001…
…0000010001111
32222112122011000
42203102002033
541424201333
64125231343
71026552042
oct243220217
988478130
1042803343
1122185870
1212402553
138b3882b
145982c59
153b57713
hex28d208f

42803343 has 32 divisors (see below), whose sum is σ = 71424000. Its totient is φ = 25099200.

The previous prime is 42803279. The next prime is 42803351. The reversal of 42803343 is 34330824.

It is not a de Polignac number, because 42803343 - 26 = 42803279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42803353) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6883 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (2232000).

Almost surely, 242803343 is an apocalyptic number.

42803343 is a deficient number, since it is larger than the sum of its proper divisors (28620657).

42803343 is a wasteful number, since it uses less digits than its factorization.

42803343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42803343 is about 6542.4263847597. The cubic root of 42803343 is about 349.8049062388.

The spelling of 42803343 in words is "forty-two million, eight hundred three thousand, three hundred forty-three".

Divisors: 1 3 9 11 27 31 33 93 99 279 297 341 837 1023 3069 4649 9207 13947 41841 51139 125523 144119 153417 432357 460251 1297071 1380753 1585309 3891213 4755927 14267781 42803343