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39228837 = 397134807
BaseRepresentation
bin1001010110100…
…1010110100101
32201211000211220
42111221112211
540020310322
63520450553
7654303534
oct225512645
981730756
1039228837
112016422a
1211179a59
13818683b
1452d231b
15369d55c
hex25695a5

39228837 has 8 divisors (see below), whose sum is σ = 52844736. Its totient is φ = 25882752.

The previous prime is 39228829. The next prime is 39228853. The reversal of 39228837 is 73882293.

39228837 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 not a de Polignac number, because 39228837 - 23 = 39228829 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39228887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67113 + ... + 67694.

It is an arithmetic number, because the mean of its divisors is an integer number (6605592).

Almost surely, 239228837 is an apocalyptic number.

It is an amenable number.

39228837 is a deficient number, since it is larger than the sum of its proper divisors (13615899).

39228837 is a wasteful number, since it uses less digits than its factorization.

39228837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134907.

The product of its digits is 145152, while the sum is 42.

The square root of 39228837 is about 6263.2928240663. The cubic root of 39228837 is about 339.7831287093.

The spelling of 39228837 in words is "thirty-nine million, two hundred twenty-eight thousand, eight hundred thirty-seven".

Divisors: 1 3 97 291 134807 404421 13076279 39228837