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42025835 = 543195469
BaseRepresentation
bin1010000001010…
…0001101101011
32221002010121102
42200110031223
541224311320
64100432015
71020133205
oct240241553
987063542
1042025835
11217a46a5
12120a860b
138925977
14581d775
153a52175
hex281436b

42025835 has 8 divisors (see below), whose sum is σ = 51604080. Its totient is φ = 32838624.

The previous prime is 42025831. The next prime is 42025871. The reversal of 42025835 is 53852024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42025835 - 22 = 42025831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42025798 and 42025807.

It is not an unprimeable number, because it can be changed into a prime (42025831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97520 + ... + 97949.

It is an arithmetic number, because the mean of its divisors is an integer number (6450510).

Almost surely, 242025835 is an apocalyptic number.

42025835 is a deficient number, since it is larger than the sum of its proper divisors (9578245).

42025835 is a wasteful number, since it uses less digits than its factorization.

42025835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195517.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 42025835 is about 6482.7336055093. The cubic root of 42025835 is about 347.6739222200.

Adding to 42025835 its reverse (53852024), we get a palindrome (95877859).

The spelling of 42025835 in words is "forty-two million, twenty-five thousand, eight hundred thirty-five".

Divisors: 1 5 43 215 195469 977345 8405167 42025835