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42542702 = 221271351
BaseRepresentation
bin1010001001001…
…0011001101110
32222001101121122
42202102121232
541342331302
64115500542
71024415126
oct242223156
988041548
1042542702
1122017a64
12122b7752
138a76cc7
145915c86
153b053a2
hex289266e

42542702 has 4 divisors (see below), whose sum is σ = 63814056. Its totient is φ = 21271350.

The previous prime is 42542701. The next prime is 42542713. The reversal of 42542702 is 20724524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10635674 + ... + 10635677.

It is an arithmetic number, because the mean of its divisors is an integer number (15953514).

Almost surely, 242542702 is an apocalyptic number.

42542702 is a deficient number, since it is larger than the sum of its proper divisors (21271354).

42542702 is a wasteful number, since it uses less digits than its factorization.

42542702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271353.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42542702 is about 6522.4766768460. The cubic root of 42542702 is about 349.0934416452.

The spelling of 42542702 in words is "forty-two million, five hundred forty-two thousand, seven hundred two".

Divisors: 1 2 21271351 42542702