Search a number
-
+
380222113 = 1632332651
BaseRepresentation
bin10110101010011…
…011101010100001
3222111110021200111
4112222123222201
51234314101423
6101421251321
712264556165
oct2652335241
9874407614
10380222113
11185697557
12a7403b41
1360a082cb
14386d6ca5
15235a860d
hex16a9baa1

380222113 has 4 divisors (see below), whose sum is σ = 382554928. Its totient is φ = 377889300.

The previous prime is 380222107. The next prime is 380222123. The reversal of 380222113 is 311222083.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311222083 = 431722093.

It is a cyclic number.

It is not a de Polignac number, because 380222113 - 225 = 346667681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380222123) 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, 1166163 + ... + 1166488.

It is an arithmetic number, because the mean of its divisors is an integer number (95638732).

Almost surely, 2380222113 is an apocalyptic number.

It is an amenable number.

380222113 is a deficient number, since it is larger than the sum of its proper divisors (2332815).

380222113 is a wasteful number, since it uses less digits than its factorization.

380222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332814.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 380222113 is about 19499.2849356073. The cubic root of 380222113 is about 724.4567395948.

Adding to 380222113 its reverse (311222083), we get a palindrome (691444196).

The spelling of 380222113 in words is "three hundred eighty million, two hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 163 2332651 380222113