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42542926 = 257137253
BaseRepresentation
bin1010001001001…
…0011101001110
32222001101220221
42202102131032
541342333201
64115501554
71024415566
oct242223516
988041827
1042542926
1122018148
12122b78ba
138a7713a
145915da6
153b054a1
hex289274e

42542926 has 8 divisors (see below), whose sum is σ = 63927864. Its totient is φ = 21233640.

The previous prime is 42542911. The next prime is 42542947. The reversal of 42542926 is 62924524.

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

It is a junction number, because it is equal to n+sod(n) for n = 42542891 and 42542900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17485 + ... + 19768.

It is an arithmetic number, because the mean of its divisors is an integer number (7990983).

Almost surely, 242542926 is an apocalyptic number.

42542926 is a deficient number, since it is larger than the sum of its proper divisors (21384938).

42542926 is a wasteful number, since it uses less digits than its factorization.

42542926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37826.

The product of its digits is 34560, while the sum is 34.

The square root of 42542926 is about 6522.4938482148. The cubic root of 42542926 is about 349.0940543378.

The spelling of 42542926 in words is "forty-two million, five hundred forty-two thousand, nine hundred twenty-six".

Divisors: 1 2 571 1142 37253 74506 21271463 42542926