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42543310 = 258351257
BaseRepresentation
bin1010001001001…
…0100011001110
32222001102110011
42202102203032
541342341220
64115503434
71024416655
oct242224316
988042404
1042543310
1122018467
12122b7b7a
138a77374
14591619c
153b0565a
hex28928ce

42543310 has 16 divisors (see below), whose sum is σ = 77502096. Its totient is φ = 16811968.

The previous prime is 42543301. The next prime is 42543341. The reversal of 42543310 is 1334524.

It is a super-2 number, since 2×425433102 = 3619866451512200, 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 7 ways as a sum of consecutive naturals, for example, 24799 + ... + 26458.

It is an arithmetic number, because the mean of its divisors is an integer number (4843881).

Almost surely, 242543310 is an apocalyptic number.

42543310 is a deficient number, since it is larger than the sum of its proper divisors (34958786).

42543310 is a wasteful number, since it uses less digits than its factorization.

42543310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51347.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42543310 is about 6522.5232847419. The cubic root of 42543310 is about 349.0951046629.

Adding to 42543310 its reverse (1334524), we get a palindrome (43877834).

The spelling of 42543310 in words is "forty-two million, five hundred forty-three thousand, three hundred ten".

Divisors: 1 2 5 10 83 166 415 830 51257 102514 256285 512570 4254331 8508662 21271655 42543310