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42832018 = 231690839
BaseRepresentation
bin1010001101100…
…1000010010010
32222121002111001
42203121002102
541431111033
64130012214
71030031455
oct243310222
988532431
1042832018
11221a5369
121241706a
138b488b8
14598d49c
153b60e7d
hex28d9092

42832018 has 8 divisors (see below), whose sum is σ = 66320640. Its totient is φ = 20725140.

The previous prime is 42832007. The next prime is 42832019. The reversal of 42832018 is 81023824.

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

It is not an unprimeable number, because it can be changed into a prime (42832019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345358 + ... + 345481.

It is an arithmetic number, because the mean of its divisors is an integer number (8290080).

Almost surely, 242832018 is an apocalyptic number.

42832018 is a deficient number, since it is larger than the sum of its proper divisors (23488622).

42832018 is a wasteful number, since it uses less digits than its factorization.

42832018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690872.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42832018 is about 6544.6174830925. The cubic root of 42832018 is about 349.8830030719.

The spelling of 42832018 in words is "forty-two million, eight hundred thirty-two thousand, eighteen".

Divisors: 1 2 31 62 690839 1381678 21416009 42832018