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286803245 = 5380315083
BaseRepresentation
bin10001000110000…
…100010100101101
3201222200010002102
4101012010110231
51041410200440
644243104445
710051534031
oct2106042455
9658603072
10286803245
11137990583
1280072125
134755a181
142a13a1c1
151a2a3b15
hex1118452d

286803245 has 8 divisors (see below), whose sum is σ = 344277216. Its totient is φ = 229367056.

The previous prime is 286803229. The next prime is 286803247. The reversal of 286803245 is 542308682.

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 286803245 - 24 = 286803229 is a prime.

It is a super-2 number, since 2×2868032452 = 164512202685060050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 286803199 and 286803208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286803247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11474 + ... + 26556.

It is an arithmetic number, because the mean of its divisors is an integer number (43034652).

Almost surely, 2286803245 is an apocalyptic number.

It is an amenable number.

286803245 is a deficient number, since it is larger than the sum of its proper divisors (57473971).

286803245 is a wasteful number, since it uses less digits than its factorization.

286803245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 286803245 is about 16935.2663102769. The cubic root of 286803245 is about 659.4694580880.

The spelling of 286803245 in words is "two hundred eighty-six million, eight hundred three thousand, two hundred forty-five".

Divisors: 1 5 3803 15083 19015 75415 57360649 286803245