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42893215 = 517594877
BaseRepresentation
bin1010001110011…
…1111110011111
32222201012102121
42203213332133
541440040330
64131203411
71030405051
oct243477637
988635377
1042893215
1122237342
1212446567
138b6a701
1459a78d1
153b7417a
hex28e7f9f

42893215 has 8 divisors (see below), whose sum is σ = 51511680. Its totient is φ = 34288032.

The previous prime is 42893209. The next prime is 42893237. The reversal of 42893215 is 51239824.

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 42893215 - 223 = 34504607 is a prime.

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, 6357 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (6438960).

Almost surely, 242893215 is an apocalyptic number.

42893215 is a deficient number, since it is larger than the sum of its proper divisors (8618465).

42893215 is a wasteful number, since it uses less digits than its factorization.

42893215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641.

The product of its digits is 17280, while the sum is 34.

The square root of 42893215 is about 6549.2911830213. The cubic root of 42893215 is about 350.0495576085.

The spelling of 42893215 in words is "forty-two million, eight hundred ninety-three thousand, two hundred fifteen".

Divisors: 1 5 1759 4877 8795 24385 8578643 42893215