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42542410 = 2523184967
BaseRepresentation
bin1010001001001…
…0010101001010
32222001101012211
42202102111022
541342324120
64115455334
71024414231
oct242222512
988041184
1042542410
1122017819
12122b754a
138a76b31
145915b18
153b0525a
hex289254a

42542410 has 16 divisors (see below), whose sum is σ = 79906176. Its totient is φ = 16277008.

The previous prime is 42542377. The next prime is 42542417. The reversal of 42542410 is 1424524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42542417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92254 + ... + 92713.

It is an arithmetic number, because the mean of its divisors is an integer number (4994136).

Almost surely, 242542410 is an apocalyptic number.

42542410 is a deficient number, since it is larger than the sum of its proper divisors (37363766).

42542410 is a wasteful number, since it uses less digits than its factorization.

42542410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184997.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42542410 is about 6522.4542926724. The cubic root of 42542410 is about 349.0926429534.

Adding to 42542410 its reverse (1424524), we get a palindrome (43966934).

The spelling of 42542410 in words is "forty-two million, five hundred forty-two thousand, four hundred ten".

Divisors: 1 2 5 10 23 46 115 230 184967 369934 924835 1849670 4254241 8508482 21271205 42542410