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42824055 = 356742611
BaseRepresentation
bin1010001101011…
…1000101110111
32222120200120010
42203113011313
541430332210
64125511303
71026666321
oct243270567
988520503
1042824055
112219a38a
1212412533
138b450a1
14598a611
153b5d920
hex28d7177

42824055 has 16 divisors (see below), whose sum is σ = 69542784. Its totient is φ = 22498080.

The previous prime is 42824021. The next prime is 42824069. The reversal of 42824055 is 55042824.

It is not a de Polignac number, because 42824055 - 211 = 42822007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20301 + ... + 22310.

It is an arithmetic number, because the mean of its divisors is an integer number (4346424).

Almost surely, 242824055 is an apocalyptic number.

42824055 is a deficient number, since it is larger than the sum of its proper divisors (26718729).

42824055 is a wasteful number, since it uses less digits than its factorization.

42824055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42686.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 42824055 is about 6544.0090922920. The cubic root of 42824055 is about 349.8613192073.

Adding to 42824055 its reverse (55042824), we get a palindrome (97866879).

The spelling of 42824055 in words is "forty-two million, eight hundred twenty-four thousand, fifty-five".

Divisors: 1 3 5 15 67 201 335 1005 42611 127833 213055 639165 2854937 8564811 14274685 42824055