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42105758 = 2131160709
BaseRepresentation
bin1010000010011…
…1101110011110
32221020012020112
42200213232132
541234341013
64102250022
71020615212
oct240475636
987205215
1042105758
1121849752
1212126912
138953166
145840942
153a6aba8
hex2827b9e

42105758 has 8 divisors (see below), whose sum is σ = 63641160. Its totient is φ = 20892040.

The previous prime is 42105757. The next prime is 42105773. The reversal of 42105758 is 85750124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105757) 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, 80093 + ... + 80616.

It is an arithmetic number, because the mean of its divisors is an integer number (7955145).

Almost surely, 242105758 is an apocalyptic number.

42105758 is a deficient number, since it is larger than the sum of its proper divisors (21535402).

42105758 is a wasteful number, since it uses less digits than its factorization.

42105758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160842.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 42105758 is about 6488.8949752635. The cubic root of 42105758 is about 347.8941799627.

The spelling of 42105758 in words is "forty-two million, one hundred five thousand, seven hundred fifty-eight".

Divisors: 1 2 131 262 160709 321418 21052879 42105758