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42552805 = 528193019
BaseRepresentation
bin1010001001010…
…0110111100101
32222001220110211
42202110313211
541343142210
64120015421
71024456441
oct242246745
988056424
1042552805
1122024609
1212301571
138a7b799
145919821
153b0838a
hex2894de5

42552805 has 8 divisors (see below), whose sum is σ = 51098400. Its totient is φ = 34018896.

The previous prime is 42552791. The next prime is 42552817. The reversal of 42552805 is 50825524.

42552805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42552805 - 219 = 42028517 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12586 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (6387300).

Almost surely, 242552805 is an apocalyptic number.

It is an amenable number.

42552805 is a deficient number, since it is larger than the sum of its proper divisors (8545595).

42552805 is a wasteful number, since it uses less digits than its factorization.

42552805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 42552805 is about 6523.2511066185. The cubic root of 42552805 is about 349.1210735830.

The spelling of 42552805 in words is "forty-two million, five hundred fifty-two thousand, eight hundred five".

Divisors: 1 5 2819 3019 14095 15095 8510561 42552805