Search a number
-
+
36051791 = 311162961
BaseRepresentation
bin1000100110000…
…1101101001111
32111211121202112
42021201231033
533212124131
63324414235
7615302156
oct211415517
974747675
1036051791
1119394276
12100a737b
137613729
144b0659d
15327202b
hex2261b4f

36051791 has 4 divisors (see below), whose sum is σ = 37214784. Its totient is φ = 34888800.

The previous prime is 36051767. The next prime is 36051803. The reversal of 36051791 is 19715063.

36051791 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: 19715063 = 181108923.

It is a cyclic number.

It is not a de Polignac number, because 36051791 - 214 = 36035407 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 (36051731) 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, 581450 + ... + 581511.

It is an arithmetic number, because the mean of its divisors is an integer number (9303696).

Almost surely, 236051791 is an apocalyptic number.

36051791 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

36051791 is a deficient number, since it is larger than the sum of its proper divisors (1162993).

36051791 is a wasteful number, since it uses less digits than its factorization.

36051791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162992.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 36051791 is about 6004.3143655208. The cubic root of 36051791 is about 330.3509917157.

The spelling of 36051791 in words is "thirty-six million, fifty-one thousand, seven hundred ninety-one".

Divisors: 1 31 1162961 36051791