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42261113 = 78753699
BaseRepresentation
bin1010000100110…
…1101001111001
32221112002100102
42201031221321
541304323423
64105445145
71022133146
oct241155171
987462312
1042261113
1121945444
12121a07b5
1389a8a9b
1458813cd
153a9bc28
hex284da79

42261113 has 4 divisors (see below), whose sum is σ = 42315600. Its totient is φ = 42206628.

The previous prime is 42261101. The next prime is 42261137. The reversal of 42261113 is 31116224.

42261113 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42261113 - 26 = 42261049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42261013) 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, 26063 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (10578900).

Almost surely, 242261113 is an apocalyptic number.

It is an amenable number.

42261113 is a deficient number, since it is larger than the sum of its proper divisors (54487).

42261113 is an equidigital number, since it uses as much as digits as its factorization.

42261113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54486.

The product of its digits is 288, while the sum is 20.

The square root of 42261113 is about 6500.8547899488. The cubic root of 42261113 is about 348.3215226620.

Adding to 42261113 its reverse (31116224), we get a palindrome (73377337).

The spelling of 42261113 in words is "forty-two million, two hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 787 53699 42261113