Search a number
-
+
380338115 = 576067623
BaseRepresentation
bin10110101010110…
…111111111000011
3222111200011210212
4112222313333003
51234331304430
6101423544335
712265551323
oct2652677703
9874604725
10380338115
11185766723
12a745b0ab
1360a49051
1438727283
15235ccb95
hex16ab7fc3

380338115 has 4 divisors (see below), whose sum is σ = 456405744. Its totient is φ = 304270488.

The previous prime is 380338061. The next prime is 380338117. The reversal of 380338115 is 511833083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511833083 = 598675137.

It is a cyclic number.

It is not a de Polignac number, because 380338115 - 216 = 380272579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380338117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38033807 + ... + 38033816.

It is an arithmetic number, because the mean of its divisors is an integer number (114101436).

Almost surely, 2380338115 is an apocalyptic number.

380338115 is a deficient number, since it is larger than the sum of its proper divisors (76067629).

380338115 is an equidigital number, since it uses as much as digits as its factorization.

380338115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76067628.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 380338115 is about 19502.2592280997. The cubic root of 380338115 is about 724.5304069617.

The spelling of 380338115 in words is "three hundred eighty million, three hundred thirty-eight thousand, one hundred fifteen".

Divisors: 1 5 76067623 380338115