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42880685 = 547182471
BaseRepresentation
bin1010001110010…
…0111010101101
32222200120020112
42203210322231
541434140220
64131025405
71030323401
oct243447255
988616215
1042880685
1122228991
121243b265
138b64ab3
1459a3101
153b705c5
hex28e4ead

42880685 has 8 divisors (see below), whose sum is σ = 52551936. Its totient is φ = 33574480.

The previous prime is 42880679. The next prime is 42880697. The reversal of 42880685 is 58608824.

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

It is not a de Polignac number, because 42880685 - 214 = 42864301 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, 91001 + ... + 91470.

It is an arithmetic number, because the mean of its divisors is an integer number (6568992).

Almost surely, 242880685 is an apocalyptic number.

It is an amenable number.

42880685 is a deficient number, since it is larger than the sum of its proper divisors (9671251).

42880685 is a wasteful number, since it uses less digits than its factorization.

42880685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182523.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 42880685 is about 6548.3345210824. The cubic root of 42880685 is about 350.0154687041.

The spelling of 42880685 in words is "forty-two million, eight hundred eighty thousand, six hundred eighty-five".

Divisors: 1 5 47 235 182471 912355 8576137 42880685