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289095328 = 2515975657
BaseRepresentation
bin10001001110110…
…011111010100000
3202010222120020101
4101032303322200
51043002022303
644404152144
710110161344
oct2116637240
9663876211
10289095328
11139206665
1280998654
1347b80532
142a575624
151a5a7d1d
hex113b3ea0

289095328 has 24 divisors (see below), whose sum is σ = 569613492. Its totient is φ = 144431616.

The previous prime is 289095311. The next prime is 289095347. The reversal of 289095328 is 823590982.

It can be written as a sum of positive squares in 2 ways, for example, as 246741264 + 42354064 = 15708^2 + 6508^2 .

It is a super-2 number, since 2×2890953282 = 167152217342855168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48276 + ... + 53932.

Almost surely, 2289095328 is an apocalyptic number.

It is an amenable number.

289095328 is a deficient number, since it is larger than the sum of its proper divisors (280518164).

289095328 is a wasteful number, since it uses less digits than its factorization.

289095328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 289095328 is about 17002.8035335353. The cubic root of 289095328 is about 661.2215882056.

The spelling of 289095328 in words is "two hundred eighty-nine million, ninety-five thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 1597 3194 5657 6388 11314 12776 22628 25552 45256 51104 90512 181024 9034229 18068458 36136916 72273832 144547664 289095328