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42063331 = 43978217
BaseRepresentation
bin1010000001110…
…1010111100011
32221011001001011
42200131113203
541232011311
64101321351
71020350422
oct240352743
987131034
1042063331
112181a892
1212106257
138939a5b
14582d2b9
153a5d321
hex281d5e3

42063331 has 4 divisors (see below), whose sum is σ = 43041592. Its totient is φ = 41085072.

The previous prime is 42063323. The next prime is 42063349. The reversal of 42063331 is 13336024.

42063331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42063331 - 23 = 42063323 is a prime.

It is a super-2 number, since 2×420633312 = 3538647629631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42063361) 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, 489066 + ... + 489151.

It is an arithmetic number, because the mean of its divisors is an integer number (10760398).

Almost surely, 242063331 is an apocalyptic number.

42063331 is a deficient number, since it is larger than the sum of its proper divisors (978261).

42063331 is an equidigital number, since it uses as much as digits as its factorization.

42063331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978260.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 42063331 is about 6485.6249506119. The cubic root of 42063331 is about 347.7772912249. Note that the first 3 decimals are identical.

Adding to 42063331 its reverse (13336024), we get a palindrome (55399355).

The spelling of 42063331 in words is "forty-two million, sixty-three thousand, three hundred thirty-one".

Divisors: 1 43 978217 42063331