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42869118 = 237144853
BaseRepresentation
bin1010001110001…
…0000101111110
32222122222101010
42203202011332
541433302433
64130500050
71030244565
oct243420576
988588333
1042869118
1122220226
1212434626
138b5c756
14599cbdc
153b6be63
hex28e217e

42869118 has 8 divisors (see below), whose sum is σ = 85738248. Its totient is φ = 14289704.

The previous prime is 42869117. The next prime is 42869143. The reversal of 42869118 is 81196824.

42869118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42869118 is an admirable number.

It is a super-2 number, since 2×428691182 = 3675522556195848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42869117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572421 + ... + 3572432.

It is an arithmetic number, because the mean of its divisors is an integer number (10717281).

Almost surely, 242869118 is an apocalyptic number.

42869118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42869118 is a wasteful number, since it uses less digits than its factorization.

42869118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144858.

The product of its digits is 27648, while the sum is 39.

The square root of 42869118 is about 6547.4512598415. The cubic root of 42869118 is about 349.9839938258.

The spelling of 42869118 in words is "forty-two million, eight hundred sixty-nine thousand, one hundred eighteen".

Divisors: 1 2 3 6 7144853 14289706 21434559 42869118