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289383332 = 22723449353
BaseRepresentation
bin10001001111111…
…010001110100100
3202011112012022012
4101033322032210
51043040231312
644414253352
710112501120
oct2117721644
9664465265
10289383332
11139392a87
1280ab7258
1347c51654
142a60c580
151a613322
hex113fa3a4

289383332 has 24 divisors (see below), whose sum is σ = 603931776. Its totient is φ = 118628928.

The previous prime is 289383331. The next prime is 289383349. The reversal of 289383332 is 233383982.

It is a self number, because there is not a number n which added to its sum of digits gives 289383332.

It is not an unprimeable number, because it can be changed into a prime (289383331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224033 + ... + 225320.

It is an arithmetic number, because the mean of its divisors is an integer number (25163824).

Almost surely, 2289383332 is an apocalyptic number.

It is an amenable number.

289383332 is an abundant number, since it is smaller than the sum of its proper divisors (314548444).

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

289383332 is a wasteful number, since it uses less digits than its factorization.

289383332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449387 (or 449385 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 289383332 is about 17011.2707344278. The cubic root of 289383332 is about 661.4410904947.

The spelling of 289383332 in words is "two hundred eighty-nine million, three hundred eighty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 449353 898706 1797412 3145471 6290942 10335119 12581884 20670238 41340476 72345833 144691666 289383332