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42882047 = 133298619
BaseRepresentation
bin1010001110010…
…1001111111111
32222200122002222
42203211033333
541434211142
64131035555
71030330355
oct243451777
988618088
1042882047
1122229a0a
121243bbbb
138b655c0
1459a37d5
153b70bd2
hex28e53ff

42882047 has 4 divisors (see below), whose sum is σ = 46180680. Its totient is φ = 39583416.

The previous prime is 42882013. The next prime is 42882061. The reversal of 42882047 is 74028824.

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

It is a cyclic number.

It is not a de Polignac number, because 42882047 - 224 = 26104831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42881998 and 42882016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42882547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649297 + ... + 1649322.

It is an arithmetic number, because the mean of its divisors is an integer number (11545170).

Almost surely, 242882047 is an apocalyptic number.

42882047 is a deficient number, since it is larger than the sum of its proper divisors (3298633).

42882047 is a wasteful number, since it uses less digits than its factorization.

42882047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298632.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 42882047 is about 6548.4385161655. The cubic root of 42882047 is about 350.0191744597.

The spelling of 42882047 in words is "forty-two million, eight hundred eighty-two thousand, forty-seven".

Divisors: 1 13 3298619 42882047