Search a number
-
+
383201161 = 754743023
BaseRepresentation
bin10110110101110…
…010111110001001
3222201001122011121
4112311302332021
51241044414121
6102005155241
712332104360
oct2665627611
9881048147
10383201161
11187341782
12a83bbb21
136150c265
1438c707d7
1523996141
hex16d72f89

383201161 has 4 divisors (see below), whose sum is σ = 437944192. Its totient is φ = 328458132.

The previous prime is 383201153. The next prime is 383201167. The reversal of 383201161 is 161102383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 383201161 - 23 = 383201153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383201167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27371505 + ... + 27371518.

It is an arithmetic number, because the mean of its divisors is an integer number (109486048).

Almost surely, 2383201161 is an apocalyptic number.

It is an amenable number.

383201161 is a deficient number, since it is larger than the sum of its proper divisors (54743031).

383201161 is an equidigital number, since it uses as much as digits as its factorization.

383201161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54743030.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 383201161 is about 19575.5245395877. The cubic root of 383201161 is about 726.3438640267.

The spelling of 383201161 in words is "three hundred eighty-three million, two hundred one thousand, one hundred sixty-one".

Divisors: 1 7 54743023 383201161