Search a number
-
+
288319402 = 2720594243
BaseRepresentation
bin10001001011110…
…110011110101010
3202002112010212101
4101023312132222
51042302210102
644335404014
710100450230
oct2113663652
9662463771
10288319402
111388266a8
128068360a
134796b2c7
142a412950
151a4a2e87
hex112f67aa

288319402 has 8 divisors (see below), whose sum is σ = 494261856. Its totient is φ = 123565452.

The previous prime is 288319393. The next prime is 288319403. The reversal of 288319402 is 204913882.

288319402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (288319403) 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, 10297108 + ... + 10297135.

It is an arithmetic number, because the mean of its divisors is an integer number (61782732).

Almost surely, 2288319402 is an apocalyptic number.

288319402 is a deficient number, since it is larger than the sum of its proper divisors (205942454).

288319402 is a wasteful number, since it uses less digits than its factorization.

288319402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594252.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 288319402 is about 16979.9706124598. The cubic root of 288319402 is about 660.6294897162.

The spelling of 288319402 in words is "two hundred eighty-eight million, three hundred nineteen thousand, four hundred two".

Divisors: 1 2 7 14 20594243 41188486 144159701 288319402