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287052473 is a prime number
BaseRepresentation
bin10001000111000…
…001001010111001
3202000010202222002
4101013001022321
51041441134343
644252310345
710053622451
oct2107011271
9660122862
10287052473
11138040854
12801723b5
1347616746
142a1a2d61
151a3028b8
hex111c12b9

287052473 has 2 divisors, whose sum is σ = 287052474. Its totient is φ = 287052472.

The previous prime is 287052461. The next prime is 287052487. The reversal of 287052473 is 374250782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206985769 + 80066704 = 14387^2 + 8948^2 .

It is a cyclic number.

It is not a de Polignac number, because 287052473 - 24 = 287052457 is a prime.

It is not a weakly prime, because it can be changed into another prime (287052173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143526236 + 143526237.

It is an arithmetic number, because the mean of its divisors is an integer number (143526237).

Almost surely, 2287052473 is an apocalyptic number.

It is an amenable number.

287052473 is a deficient number, since it is larger than the sum of its proper divisors (1).

287052473 is an equidigital number, since it uses as much as digits as its factorization.

287052473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 287052473 is about 16942.6229669435. The cubic root of 287052473 is about 659.6604260211.

The spelling of 287052473 in words is "two hundred eighty-seven million, fifty-two thousand, four hundred seventy-three".