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289535296 = 2617266117
BaseRepresentation
bin10001010000011…
…111010101000000
3202011210220202111
4101100133111000
51043110112141
644421425104
710114003141
oct2120372500
9664726674
10289535296
11139487176
1280b6b194
1347ca587b
142a64bac8
151a643381
hex1141f540

289535296 has 28 divisors (see below), whose sum is σ = 608345748. Its totient is φ = 136251392.

The previous prime is 289535287. The next prime is 289535303. The reversal of 289535296 is 692535982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152176896 + 137358400 = 12336^2 + 11720^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 131971 + ... + 134146.

Almost surely, 2289535296 is an apocalyptic number.

It is an amenable number.

289535296 is an abundant number, since it is smaller than the sum of its proper divisors (318810452).

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

289535296 is a wasteful number, since it uses less digits than its factorization.

289535296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266146 (or 266136 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 289535296 is about 17015.7367163458. The cubic root of 289535296 is about 661.5568511869.

The spelling of 289535296 in words is "two hundred eighty-nine million, five hundred thirty-five thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 266117 532234 1064468 2128936 4257872 4523989 8515744 9047978 17031488 18095956 36191912 72383824 144767648 289535296