Search a number
-
+
288741249 = 3232082361
BaseRepresentation
bin10001001101011…
…101011110000001
3202010022120112100
4101031131132001
51042404204444
644352421013
710104155136
oct2115353601
9663276470
10288741249
11138a94635
1280847769
1347a88314
142a4c258d
151a537e69
hex1135d781

288741249 has 6 divisors (see below), whose sum is σ = 417070706. Its totient is φ = 192494160.

The previous prime is 288741227. The next prime is 288741251. The reversal of 288741249 is 942147882.

It can be written as a sum of positive squares in only one way, i.e., 179747649 + 108993600 = 13407^2 + 10440^2 .

It is not a de Polignac number, because 288741249 - 215 = 288708481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288741449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16041172 + ... + 16041189.

Almost surely, 2288741249 is an apocalyptic number.

It is an amenable number.

288741249 is a deficient number, since it is larger than the sum of its proper divisors (128329457).

288741249 is a wasteful number, since it uses less digits than its factorization.

288741249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32082367 (or 32082364 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 288741249 is about 16992.3879722657. The cubic root of 288741249 is about 660.9515269662.

The spelling of 288741249 in words is "two hundred eighty-eight million, seven hundred forty-one thousand, two hundred forty-nine".

Divisors: 1 3 9 32082361 96247083 288741249