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42068823 = 3101138841
BaseRepresentation
bin1010000001111…
…0101101010111
32221011022120120
42200132231113
541232200243
64101403023
71020402426
oct240365527
987138516
1042068823
1121823a25
1212109473
13893c3c4
1458312bd
153a5ec83
hex281eb57

42068823 has 8 divisors (see below), whose sum is σ = 56647536. Its totient is φ = 27768000.

The previous prime is 42068797. The next prime is 42068827. The reversal of 42068823 is 32886024.

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

It is not a de Polignac number, because 42068823 - 28 = 42068567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69118 + ... + 69723.

It is an arithmetic number, because the mean of its divisors is an integer number (7080942).

Almost surely, 242068823 is an apocalyptic number.

42068823 is a deficient number, since it is larger than the sum of its proper divisors (14578713).

42068823 is a wasteful number, since it uses less digits than its factorization.

42068823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138945.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 42068823 is about 6486.0483346950. The cubic root of 42068823 is about 347.7924264168.

The spelling of 42068823 in words is "forty-two million, sixty-eight thousand, eight hundred twenty-three".

Divisors: 1 3 101 303 138841 416523 14022941 42068823