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42086013 = 354125931
BaseRepresentation
bin1010000010001…
…0111001111101
32221012012011020
42200202321331
541233223023
64102014353
71020503514
oct240427175
987165136
1042086013
1121835932
12121173b9
138947188
14583767b
153a64de3
hex2822e7d

42086013 has 8 divisors (see below), whose sum is σ = 56220576. Its totient is φ = 28004400.

The previous prime is 42085991. The next prime is 42086017. The reversal of 42086013 is 31068024.

It is a happy number.

42086013 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.

It is not a de Polignac number, because 42086013 - 29 = 42085501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086017) 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 7 ways as a sum of consecutive naturals, for example, 11343 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (7027572).

Almost surely, 242086013 is an apocalyptic number.

It is an amenable number.

42086013 is a deficient number, since it is larger than the sum of its proper divisors (14134563).

42086013 is a wasteful number, since it uses less digits than its factorization.

42086013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26475.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42086013 is about 6487.3733513649. The cubic root of 42086013 is about 347.8397911654.

The spelling of 42086013 in words is "forty-two million, eighty-six thousand, thirteen".

Divisors: 1 3 541 1623 25931 77793 14028671 42086013