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42528103 = 257165479
BaseRepresentation
bin1010001000111…
…0110101100111
32222000122120221
42202032311213
541341344403
64115305211
71024324432
oct242166547
988018527
1042528103
1122007aa2
12122ab207
138a70477
145910819
153b00dbd
hex288ed67

42528103 has 4 divisors (see below), whose sum is σ = 42693840. Its totient is φ = 42362368.

The previous prime is 42528097. The next prime is 42528119. The reversal of 42528103 is 30182524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42528103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82483 + ... + 82996.

It is an arithmetic number, because the mean of its divisors is an integer number (10673460).

Almost surely, 242528103 is an apocalyptic number.

42528103 is a deficient number, since it is larger than the sum of its proper divisors (165737).

42528103 is a wasteful number, since it uses less digits than its factorization.

42528103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165736.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42528103 is about 6521.3574507153. The cubic root of 42528103 is about 349.0535053146.

The spelling of 42528103 in words is "forty-two million, five hundred twenty-eight thousand, one hundred three".

Divisors: 1 257 165479 42528103