Search a number
-
+
2380155249 = 31814383343
BaseRepresentation
bin1000110111011110…
…0100100101110001
320010212200102012010
42031313210211301
514333304431444
61032102553133
7112660662063
oct21567444561
96125612163
102380155249
11101159895a
125651387a9
132bc15b0b4
14188175733
15dde562b9
hex8dde4971

2380155249 has 8 divisors (see below), whose sum is σ = 3191074432. Its totient is φ = 1578003120.

The previous prime is 2380155233. The next prime is 2380155269. The reversal of 2380155249 is 9425510832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2380155249 - 24 = 2380155233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2380155229) 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 7 ways as a sum of consecutive naturals, for example, 2191129 + ... + 2192214.

It is an arithmetic number, because the mean of its divisors is an integer number (398884304).

Almost surely, 22380155249 is an apocalyptic number.

It is an amenable number.

2380155249 is a deficient number, since it is larger than the sum of its proper divisors (810919183).

2380155249 is a wasteful number, since it uses less digits than its factorization.

2380155249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383527.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2380155249 is about 48786.8347917755. The cubic root of 2380155249 is about 1335.1654793540.

The spelling of 2380155249 in words is "two billion, three hundred eighty million, one hundred fifty-five thousand, two hundred forty-nine".

Divisors: 1 3 181 543 4383343 13150029 793385083 2380155249