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42248847 = 317418089
BaseRepresentation
bin1010000100101…
…0101010001111
32221111110112010
42201022222033
541303430342
64105312303
71022052324
oct241125217
987443463
1042248847
1121937203
1212195693
1389a3324
14587ab4b
153a9829c
hex284aa8f

42248847 has 8 divisors (see below), whose sum is σ = 56371120. Its totient is φ = 28146240.

The previous prime is 42248831. The next prime is 42248863. The reversal of 42248847 is 74884224.

It is an interprime number because it is at equal distance from previous prime (42248831) and next prime (42248863).

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

It is not a de Polignac number, because 42248847 - 24 = 42248831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42248827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 9267.

It is an arithmetic number, because the mean of its divisors is an integer number (7046390).

Almost surely, 242248847 is an apocalyptic number.

42248847 is a deficient number, since it is larger than the sum of its proper divisors (14122273).

42248847 is a wasteful number, since it uses less digits than its factorization.

42248847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833.

The product of its digits is 114688, while the sum is 39.

The square root of 42248847 is about 6499.9113070872. The cubic root of 42248847 is about 348.2878200852.

The spelling of 42248847 in words is "forty-two million, two hundred forty-eight thousand, eight hundred forty-seven".

Divisors: 1 3 1741 5223 8089 24267 14082949 42248847