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287063 = 7231783
BaseRepresentation
bin1000110000101010111
3112120202222
41012011113
533141223
610052555
72303630
oct1060527
9476688
10287063
11186747
1211a15b
13a087a
1476887
155a0c8
hex46157

287063 has 8 divisors (see below), whose sum is σ = 342528. Its totient is φ = 235224.

The previous prime is 287059. The next prime is 287087. The reversal of 287063 is 360782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 287063 - 22 = 287059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287003) 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, 731 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (42816).

2287063 is an apocalyptic number.

287063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

287063 is a deficient number, since it is larger than the sum of its proper divisors (55465).

287063 is a wasteful number, since it uses less digits than its factorization.

287063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 287063 is about 535.7826051674. The cubic root of 287063 is about 65.9668489774.

The spelling of 287063 in words is "two hundred eighty-seven thousand, sixty-three".

Divisors: 1 7 23 161 1783 12481 41009 287063