Search a number
-
+
36349891 = 531494603
BaseRepresentation
bin1000101010101…
…0011111000011
32112101202200021
42022222133003
533301144031
63335034311
7620653234
oct212523703
975352607
1036349891
1119578236
121020b997
1376b9316
144b8308b
1532d0511
hex22aa7c3

36349891 has 8 divisors (see below), whose sum is σ = 37292400. Its totient is φ = 35416992.

The previous prime is 36349883. The next prime is 36349909. The reversal of 36349891 is 19894363.

36349891 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 36349891 - 23 = 36349883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36349871) 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, 5596 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (4661550).

Almost surely, 236349891 is an apocalyptic number.

36349891 is a deficient number, since it is larger than the sum of its proper divisors (942509).

36349891 is a wasteful number, since it uses less digits than its factorization.

36349891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805.

The product of its digits is 139968, while the sum is 43.

The square root of 36349891 is about 6029.0870784887. The cubic root of 36349891 is about 331.2590135912.

The spelling of 36349891 in words is "thirty-six million, three hundred forty-nine thousand, eight hundred ninety-one".

Divisors: 1 53 149 4603 7897 243959 685847 36349891