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42002223 = 317823573
BaseRepresentation
bin1010000000111…
…0011100101111
32221000221012220
42200032130233
541223032343
64100130423
71020004314
oct240163457
987027186
1042002223
112178898a
1212096a13
138917cb3
145814d0b
153a4a183
hex280e72f

42002223 has 8 divisors (see below), whose sum is σ = 59297328. Its totient is φ = 26354304.

The previous prime is 42002201. The next prime is 42002227. The reversal of 42002223 is 32220024.

42002223 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 42002223 - 29 = 42001711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002227) 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, 411736 + ... + 411837.

It is an arithmetic number, because the mean of its divisors is an integer number (7412166).

Almost surely, 242002223 is an apocalyptic number.

42002223 is a deficient number, since it is larger than the sum of its proper divisors (17295105).

42002223 is a wasteful number, since it uses less digits than its factorization.

42002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823593.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 42002223 is about 6480.9122043120. The cubic root of 42002223 is about 347.6087970846.

Adding to 42002223 its reverse (32220024), we get a palindrome (74222247).

The spelling of 42002223 in words is "forty-two million, two thousand, two hundred twenty-three".

Divisors: 1 3 17 51 823573 2470719 14000741 42002223