Search a number
-
+
288938764 = 2272234691
BaseRepresentation
bin10001001110001…
…101101100001100
3202010200121110201
4101032031230030
51042432020024
644400543244
710105640032
oct2116155414
9663617421
10288938764
11139109a74
1280921b24
1347b271aa
142a534552
151a576744
hex1138db0c

288938764 has 6 divisors (see below), whose sum is σ = 505642844. Its totient is φ = 144469380.

The previous prime is 288938747. The next prime is 288938777. The reversal of 288938764 is 467839882.

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 as a sum of consecutive naturals, namely, 36117342 + ... + 36117349.

Almost surely, 2288938764 is an apocalyptic number.

It is an amenable number.

288938764 is a deficient number, since it is larger than the sum of its proper divisors (216704080).

288938764 is a wasteful number, since it uses less digits than its factorization.

288938764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72234695 (or 72234693 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 288938764 is about 16998.1988457601. The cubic root of 288938764 is about 661.1022017604.

The spelling of 288938764 in words is "two hundred eighty-eight million, nine hundred thirty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 72234691 144469382 288938764