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42882130 = 254288213
BaseRepresentation
bin1010001110010…
…1010001010010
32222200122020001
42203211101102
541434212010
64131040214
71030330534
oct243452122
988618201
1042882130
1122229a85
121244006a
138b65655
1459a3854
153b70c3a
hex28e5452

42882130 has 8 divisors (see below), whose sum is σ = 77187852. Its totient is φ = 17152848.

The previous prime is 42882127. The next prime is 42882131. The reversal of 42882130 is 3128824.

It can be written as a sum of positive squares in 2 ways, for example, as 38601369 + 4280761 = 6213^2 + 2069^2 .

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 (42882131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144097 + ... + 2144116.

Almost surely, 242882130 is an apocalyptic number.

42882130 is a deficient number, since it is larger than the sum of its proper divisors (34305722).

42882130 is a wasteful number, since it uses less digits than its factorization.

42882130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288220.

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

The square root of 42882130 is about 6548.4448535511. Note that the first 3 decimals coincide. The cubic root of 42882130 is about 350.0194002852.

The spelling of 42882130 in words is "forty-two million, eight hundred eighty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 4288213 8576426 21441065 42882130