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36028639 = 377313339
BaseRepresentation
bin1000100101110…
…0000011011111
32111210110000001
42021130003133
533210404024
63324115131
7615144523
oct211340337
974713001
1036028639
1119378939
1210095aa7
13760602a
144adbd83
15326a244
hex225c0df

36028639 has 8 divisors (see below), whose sum is σ = 37512080. Its totient is φ = 34572096.

The previous prime is 36028621. The next prime is 36028651. The reversal of 36028639 is 93682063.

It is a happy number.

36028639 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 cyclic number.

It is not a de Polignac number, because 36028639 - 25 = 36028607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 36028598 and 36028607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36028609) 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, 3969 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (4689010).

Almost surely, 236028639 is an apocalyptic number.

36028639 is a deficient number, since it is larger than the sum of its proper divisors (1483441).

36028639 is a wasteful number, since it uses less digits than its factorization.

36028639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 36028639 is about 6002.3861088737. The cubic root of 36028639 is about 330.2802608427.

The spelling of 36028639 in words is "thirty-six million, twenty-eight thousand, six hundred thirty-nine".

Divisors: 1 37 73 2701 13339 493543 973747 36028639