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36149789 = 132780753
BaseRepresentation
bin1000100111100…
…1101000011101
32112000121012002
42021321220131
533223243124
63330452045
7616160654
oct211715035
975017162
1036149789
1119450965
1210134025
137649210
144b3019b
1532910ae
hex2279a1d

36149789 has 4 divisors (see below), whose sum is σ = 38930556. Its totient is φ = 33369024.

The previous prime is 36149719. The next prime is 36149797. The reversal of 36149789 is 98794163.

36149789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98794163 = 137599551.

It can be written as a sum of positive squares in 2 ways, for example, as 3545689 + 32604100 = 1883^2 + 5710^2 .

It is not a de Polignac number, because 36149789 - 212 = 36145693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36149719) 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 3 ways as a sum of consecutive naturals, for example, 1390364 + ... + 1390389.

It is an arithmetic number, because the mean of its divisors is an integer number (9732639).

Almost surely, 236149789 is an apocalyptic number.

It is an amenable number.

36149789 is a deficient number, since it is larger than the sum of its proper divisors (2780767).

36149789 is a wasteful number, since it uses less digits than its factorization.

36149789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780766.

The product of its digits is 326592, while the sum is 47.

The square root of 36149789 is about 6012.4694593819. The cubic root of 36149789 is about 330.6500471065.

The spelling of 36149789 in words is "thirty-six million, one hundred forty-nine thousand, seven hundred eighty-nine".

Divisors: 1 13 2780753 36149789