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42542411 = 531934159
BaseRepresentation
bin1010001001001…
…0010101001011
32222001101012212
42202102111023
541342324121
64115455335
71024414232
oct242222513
988041185
1042542411
112201781a
12122b754b
138a76b32
145915b19
153b0525b
hex289254b

42542411 has 8 divisors (see below), whose sum is σ = 43580160. Its totient is φ = 41513472.

The previous prime is 42542377. The next prime is 42542417. The reversal of 42542411 is 11424524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42542411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42542417) 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, 8150 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (5447520).

Almost surely, 242542411 is an apocalyptic number.

42542411 is a deficient number, since it is larger than the sum of its proper divisors (1037749).

42542411 is a wasteful number, since it uses less digits than its factorization.

42542411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405.

The product of its digits is 1280, while the sum is 23.

The square root of 42542411 is about 6522.4543693306. The cubic root of 42542411 is about 349.0926456886.

Adding to 42542411 its reverse (11424524), we get a palindrome (53966935).

The spelling of 42542411 in words is "forty-two million, five hundred forty-two thousand, four hundred eleven".

Divisors: 1 53 193 4159 10229 220427 802687 42542411