Search a number
-
+
289055315 = 5311864873
BaseRepresentation
bin10001001110101…
…010001001010011
3202010220112100102
4101032222021103
51042444232230
644403243015
710106633603
oct2116521123
9663815312
10289055315
1113918959a
128097946b
1347b68263
142a564c03
151a59b045
hex113aa253

289055315 has 8 divisors (see below), whose sum is σ = 358055808. Its totient is φ = 223784640.

The previous prime is 289055297. The next prime is 289055323. The reversal of 289055315 is 513550982.

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

It is not a de Polignac number, because 289055315 - 28 = 289055059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932282 + ... + 932591.

It is an arithmetic number, because the mean of its divisors is an integer number (44756976).

Almost surely, 2289055315 is an apocalyptic number.

289055315 is a deficient number, since it is larger than the sum of its proper divisors (69000493).

289055315 is a wasteful number, since it uses less digits than its factorization.

289055315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864909.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 289055315 is about 17001.6268339239. The cubic root of 289055315 is about 661.1910807598.

The spelling of 289055315 in words is "two hundred eighty-nine million, fifty-five thousand, three hundred fifteen".

Divisors: 1 5 31 155 1864873 9324365 57811063 289055315