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287676113 is a prime number
BaseRepresentation
bin10001001001011…
…001011011010001
3202001022110102212
4101021121123101
51042121113423
644313521505
710062130604
oct2111313321
9661273385
10287676113
1113842735a
1280413295
13477a456a
142a2c633b
151a3c7578
hex112596d1

287676113 has 2 divisors, whose sum is σ = 287676114. Its totient is φ = 287676112.

The previous prime is 287676089. The next prime is 287676121. The reversal of 287676113 is 311676782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287370304 + 305809 = 16952^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 287676113 - 224 = 270898897 is a prime.

It is not a weakly prime, because it can be changed into another prime (287678113) by changing a digit.

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, 143838056 + 143838057.

It is an arithmetic number, because the mean of its divisors is an integer number (143838057).

Almost surely, 2287676113 is an apocalyptic number.

It is an amenable number.

287676113 is a deficient number, since it is larger than the sum of its proper divisors (1).

287676113 is an equidigital number, since it uses as much as digits as its factorization.

287676113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 287676113 is about 16961.0174517922. The cubic root of 287676113 is about 660.1377987452.

The spelling of 287676113 in words is "two hundred eighty-seven million, six hundred seventy-six thousand, one hundred thirteen".