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42637774 = 2154913763
BaseRepresentation
bin1010001010100…
…1100111001110
32222020020000211
42202221213032
541403402044
64121513034
71025262244
oct242514716
988206024
1042637774
1122082433
121234277a
138aab36a
14593c794
153b23634
hex28a99ce

42637774 has 8 divisors (see below), whose sum is σ = 64002600. Its totient is φ = 21303576.

The previous prime is 42637769. The next prime is 42637781. The reversal of 42637774 is 47773624.

42637774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784 + ... + 9979.

It is an arithmetic number, because the mean of its divisors is an integer number (8000325).

Almost surely, 242637774 is an apocalyptic number.

42637774 is a deficient number, since it is larger than the sum of its proper divisors (21364826).

42637774 is a wasteful number, since it uses less digits than its factorization.

42637774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314.

The product of its digits is 197568, while the sum is 40.

The square root of 42637774 is about 6529.7606387983. The cubic root of 42637774 is about 349.3532928676.

The spelling of 42637774 in words is "forty-two million, six hundred thirty-seven thousand, seven hundred seventy-four".

Divisors: 1 2 1549 3098 13763 27526 21318887 42637774