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642014582 = 21129182481
BaseRepresentation
bin100110010001000…
…101110101110110
31122202001201102212
4212101011311312
52303323431312
6143412333422
721624014426
oct4621056566
91582051385
10642014582
112aa445070
1215b014272
13a30193b1
14613a2486
153b56b822
hex26445d76

642014582 has 8 divisors (see below), whose sum is σ = 1050569352. Its totient is φ = 291824800.

The previous prime is 642014573. The next prime is 642014587. The reversal of 642014582 is 285410246.

642014582 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642014587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14591219 + ... + 14591262.

It is an arithmetic number, because the mean of its divisors is an integer number (131321169).

Almost surely, 2642014582 is an apocalyptic number.

642014582 is a deficient number, since it is larger than the sum of its proper divisors (408554770).

642014582 is a wasteful number, since it uses less digits than its factorization.

642014582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29182494.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 642014582 is about 25338.0066698231. The cubic root of 642014582 is about 862.6771550127.

The spelling of 642014582 in words is "six hundred forty-two million, fourteen thousand, five hundred eighty-two".

Divisors: 1 2 11 22 29182481 58364962 321007291 642014582