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42067717 = 434632113
BaseRepresentation
bin1010000001111…
…0011100000101
32221011021001121
42200132130011
541232131332
64101353541
71020366256
oct240363405
987137047
1042067717
112182310a
12121088b1
13893ba53
145830b2d
153a5e797
hex281e705

42067717 has 8 divisors (see below), whose sum is σ = 43159424. Its totient is φ = 40981248.

The previous prime is 42067709. The next prime is 42067721. The reversal of 42067717 is 71776024.

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

It is a cyclic number.

It is not a de Polignac number, because 42067717 - 23 = 42067709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42067747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853 + ... + 20965.

It is an arithmetic number, because the mean of its divisors is an integer number (5394928).

Almost surely, 242067717 is an apocalyptic number.

It is an amenable number.

42067717 is a deficient number, since it is larger than the sum of its proper divisors (1091707).

42067717 is a wasteful number, since it uses less digits than its factorization.

42067717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 42067717 is about 6485.9630742088. The cubic root of 42067717 is about 347.7893785398.

The spelling of 42067717 in words is "forty-two million, sixty-seven thousand, seven hundred seventeen".

Divisors: 1 43 463 2113 19909 90859 978319 42067717