Search a number
-
+
3786091049 = 13291237773
BaseRepresentation
bin1110000110101011…
…0010101000101001
3100202212012100112102
43201222302220221
530223214403144
61423405023145
7162552146216
oct34152625051
910685170472
103786091049
111673171274
12897b54ab5
13484507580
1427cb90b0d
151725beb4e
hexe1ab2a29

3786091049 has 4 divisors (see below), whose sum is σ = 4077328836. Its totient is φ = 3494853264.

The previous prime is 3786091021. The next prime is 3786091051. The reversal of 3786091049 is 9401906873.

3786091049 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2484324649 + 1301766400 = 49843^2 + 36080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3786091049 - 28 = 3786090793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3786090994 and 3786091012.

It is not an unprimeable number, because it can be changed into a prime (3786091079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145618874 + ... + 145618899.

It is an arithmetic number, because the mean of its divisors is an integer number (1019332209).

Almost surely, 23786091049 is an apocalyptic number.

It is an amenable number.

3786091049 is a deficient number, since it is larger than the sum of its proper divisors (291237787).

3786091049 is a wasteful number, since it uses less digits than its factorization.

3786091049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291237786.

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

The square root of 3786091049 is about 61531.2201162954. The cubic root of 3786091049 is about 1558.5844941269.

The spelling of 3786091049 in words is "three billion, seven hundred eighty-six million, ninety-one thousand, forty-nine".

Divisors: 1 13 291237773 3786091049