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42884015 = 522338461
BaseRepresentation
bin1010001110010…
…1101110101111
32222200201210212
42203211232233
541434242030
64131053035
71030336166
oct243455657
988621725
1042884015
1122230439
121244117b
138b66475
1459a43dd
153b71595
hex28e5baf

42884015 has 8 divisors (see below), whose sum is σ = 51692928. Its totient is φ = 34152480.

The previous prime is 42883957. The next prime is 42884033. The reversal of 42884015 is 51048824.

It is a happy number.

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

It is not a de Polignac number, because 42884015 - 210 = 42882991 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 7 ways as a sum of consecutive naturals, for example, 18116 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (6461616).

Almost surely, 242884015 is an apocalyptic number.

42884015 is a deficient number, since it is larger than the sum of its proper divisors (8808913).

42884015 is a wasteful number, since it uses less digits than its factorization.

42884015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38689.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 42884015 is about 6548.5887792715. The cubic root of 42884015 is about 350.0245288932.

The spelling of 42884015 in words is "forty-two million, eight hundred eighty-four thousand, fifteen".

Divisors: 1 5 223 1115 38461 192305 8576803 42884015