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42858026 = 253404321
BaseRepresentation
bin1010001101111…
…1011000101010
32222122102011022
42203133120222
541432424101
64130332442
71030200341
oct243373052
988572138
1042858026
1122212962
121242a122
138b576a3
145998b58
153b68a1b
hex28df62a

42858026 has 8 divisors (see below), whose sum is σ = 65500164. Its totient is φ = 21024640.

The previous prime is 42858019. The next prime is 42858029. The reversal of 42858026 is 62085824.

It can be written as a sum of positive squares in 2 ways, for example, as 40132225 + 2725801 = 6335^2 + 1651^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42858029) 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, 202055 + ... + 202266.

Almost surely, 242858026 is an apocalyptic number.

42858026 is a deficient number, since it is larger than the sum of its proper divisors (22642138).

42858026 is a wasteful number, since it uses less digits than its factorization.

42858026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404376.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 42858026 is about 6546.6041578822. The cubic root of 42858026 is about 349.9538061484.

The spelling of 42858026 in words is "forty-two million, eight hundred fifty-eight thousand, twenty-six".

Divisors: 1 2 53 106 404321 808642 21429013 42858026