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42759886 = 2131644611
BaseRepresentation
bin1010001100011…
…1011011001110
32222110102112111
42203013123032
541421304021
64124254234
71026311251
oct243073316
988412474
1042759886
1122156154
12123a137a
138b21b10
145971098
153b498e1
hex28c76ce

42759886 has 8 divisors (see below), whose sum is σ = 69073704. Its totient is φ = 19735320.

The previous prime is 42759883. The next prime is 42759887. The reversal of 42759886 is 68895724.

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 (42759883) 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, 822280 + ... + 822331.

It is an arithmetic number, because the mean of its divisors is an integer number (8634213).

Almost surely, 242759886 is an apocalyptic number.

42759886 is a deficient number, since it is larger than the sum of its proper divisors (26313818).

42759886 is a wasteful number, since it uses less digits than its factorization.

42759886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644626.

The product of its digits is 967680, while the sum is 49.

The square root of 42759886 is about 6539.1043729245. The cubic root of 42759886 is about 349.6864838744.

It can be divided in two parts, 4275 and 9886, that added together give a square (14161 = 1192).

The spelling of 42759886 in words is "forty-two million, seven hundred fifty-nine thousand, eight hundred eighty-six".

Divisors: 1 2 13 26 1644611 3289222 21379943 42759886