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42849055 = 58569811
BaseRepresentation
bin1010001101110…
…1001100011111
32222121221212001
42203131030133
541432132210
64130223131
71030132234
oct243351437
988557761
1042849055
1122207147
1212424aa7
138b53592
14599578b
153b6603a
hex28dd31f

42849055 has 4 divisors (see below), whose sum is σ = 51418872. Its totient is φ = 34279240.

The previous prime is 42849049. The next prime is 42849067. The reversal of 42849055 is 55094824.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42849055 - 215 = 42816287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4284901 + ... + 4284910.

It is an arithmetic number, because the mean of its divisors is an integer number (12854718).

Almost surely, 242849055 is an apocalyptic number.

42849055 is a deficient number, since it is larger than the sum of its proper divisors (8569817).

42849055 is an equidigital number, since it uses as much as digits as its factorization.

42849055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569816.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42849055 is about 6545.9189576407. The cubic root of 42849055 is about 349.9293871153.

The spelling of 42849055 in words is "forty-two million, eight hundred forty-nine thousand, fifty-five".

Divisors: 1 5 8569811 42849055