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42203313 = 3219246803
BaseRepresentation
bin1010000011111…
…1100010110001
32221102011001200
42200333202301
541301001223
64104321413
71021502505
oct240774261
987364050
1042203313
1121905a79
1212173269
138988699
145868305
153a89a43
hex283f8b1

42203313 has 12 divisors (see below), whose sum is σ = 64169040. Its totient is φ = 26654616.

The previous prime is 42203303. The next prime is 42203341. The reversal of 42203313 is 31330224.

42203313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42203313 - 24 = 42203297 is a prime.

It is a super-2 number, since 2×422033132 = 3562239256351938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203303) 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 11 ways as a sum of consecutive naturals, for example, 123231 + ... + 123572.

It is an arithmetic number, because the mean of its divisors is an integer number (5347420).

Almost surely, 242203313 is an apocalyptic number.

It is an amenable number.

42203313 is a deficient number, since it is larger than the sum of its proper divisors (21965727).

42203313 is a wasteful number, since it uses less digits than its factorization.

42203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246828 (or 246825 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42203313 is about 6496.4076996445. The cubic root of 42203313 is about 348.1626518695.

Adding to 42203313 its reverse (31330224), we get a palindrome (73533537).

The spelling of 42203313 in words is "forty-two million, two hundred three thousand, three hundred thirteen".

Divisors: 1 3 9 19 57 171 246803 740409 2221227 4689257 14067771 42203313