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42000211 = 113818201
BaseRepresentation
bin1010000000110…
…1111101010011
32221000211110101
42200031331103
541223001321
64100113231
71016665411
oct240157523
987024411
1042000211
1121787420
1212095817
1389170c6
1458142b1
153a49791
hex280df53

42000211 has 4 divisors (see below), whose sum is σ = 45818424. Its totient is φ = 38182000.

The previous prime is 42000199. The next prime is 42000247. The reversal of 42000211 is 11200024.

42000211 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 42000211 - 213 = 41992019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42000011) 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, 1909090 + ... + 1909111.

It is an arithmetic number, because the mean of its divisors is an integer number (11454606).

Almost surely, 242000211 is an apocalyptic number.

42000211 is a deficient number, since it is larger than the sum of its proper divisors (3818213).

42000211 is a wasteful number, since it uses less digits than its factorization.

42000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818212.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 42000211 is about 6480.7569773908. The cubic root of 42000211 is about 347.6032465842.

Adding to 42000211 its reverse (11200024), we get a palindrome (53200235).

The spelling of 42000211 in words is "forty-two million, two hundred eleven", and thus it is an aban number.

Divisors: 1 11 3818201 42000211