Search a number
-
+
288244424 = 23139728573
BaseRepresentation
bin10001001011100…
…100001011001000
3202002101100000102
4101023210023020
51042242310144
644334024532
710100015516
oct2113441310
9662340012
10288244424
11138785336
1280648148
1347943140
142a3d34b6
151a48ab4e
hex112e42c8

288244424 has 32 divisors (see below), whose sum is σ = 588052920. Its totient is φ = 131659776.

The previous prime is 288244387. The next prime is 288244447. The reversal of 288244424 is 424442882.

It can be written as a sum of positive squares in 4 ways, for example, as 88021924 + 200222500 = 9382^2 + 14150^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4199 + ... + 24374.

Almost surely, 2288244424 is an apocalyptic number.

It is an amenable number.

288244424 is an abundant number, since it is smaller than the sum of its proper divisors (299808496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288244424 is a wasteful number, since it uses less digits than its factorization.

288244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689 (or 28685 counting only the distinct ones).

The product of its digits is 131072, while the sum is 38.

The square root of 288244424 is about 16977.7626323376. The cubic root of 288244424 is about 660.5722187731.

The spelling of 288244424 in words is "two hundred eighty-eight million, two hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 10088 28573 57146 114292 228584 371449 742898 1485796 2771581 2971592 5543162 11086324 22172648 36030553 72061106 144122212 288244424