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42078174 = 237013029
BaseRepresentation
bin1010000010000…
…0111111011110
32221011210101220
42200200333132
541233000144
64101514210
71020441615
oct240407736
987153356
1042078174
112182aa56
1212112966
138943738
14583487c
153a62919
hex2820fde

42078174 has 8 divisors (see below), whose sum is σ = 84156360. Its totient is φ = 14026056.

The previous prime is 42078173. The next prime is 42078181. The reversal of 42078174 is 47187024.

42078174 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.

42078174 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42078173) 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, 3506509 + ... + 3506520.

It is an arithmetic number, because the mean of its divisors is an integer number (10519545).

Almost surely, 242078174 is an apocalyptic number.

42078174 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.

42078174 is a wasteful number, since it uses less digits than its factorization.

42078174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013034.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 42078174 is about 6486.7691495844. The cubic root of 42078174 is about 347.8181934481.

The spelling of 42078174 in words is "forty-two million, seventy-eight thousand, one hundred seventy-four".

Divisors: 1 2 3 6 7013029 14026058 21039087 42078174