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42105562 = 2153113751
BaseRepresentation
bin1010000010011…
…1101011011010
32221020011222021
42200213223122
541234334222
64102245054
71020614512
oct240475332
987204867
1042105562
1121849594
121212678a
138953045
145840842
153a6aac7
hex2827ada

42105562 has 8 divisors (see below), whose sum is σ = 63204192. Its totient is φ = 21037500.

The previous prime is 42105523. The next prime is 42105563. The reversal of 42105562 is 26550124.

42105562 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 an unprimeable number, because it can be changed into a prime (42105563) 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, 3814 + ... + 9937.

It is an arithmetic number, because the mean of its divisors is an integer number (7900524).

Almost surely, 242105562 is an apocalyptic number.

42105562 is a deficient number, since it is larger than the sum of its proper divisors (21098630).

42105562 is a wasteful number, since it uses less digits than its factorization.

42105562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15284.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42105562 is about 6488.8798725204. The cubic root of 42105562 is about 347.8936401524.

Adding to 42105562 its reverse (26550124), we get a palindrome (68655686).

It can be divided in two parts, 4 and 2105562, that multiplied together give a palindrome (8422248).

The spelling of 42105562 in words is "forty-two million, one hundred five thousand, five hundred sixty-two".

Divisors: 1 2 1531 3062 13751 27502 21052781 42105562