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280852463 is a prime number
BaseRepresentation
bin10000101111010…
…111011111101111
3201120110210011002
4100233113133233
51033344234323
643511350515
76650130563
oct2057273757
9646423132
10280852463
11134596681
127a08243b
13462556b8
142942b6a3
15199ca828
hex10bd77ef

280852463 has 2 divisors, whose sum is σ = 280852464. Its totient is φ = 280852462.

The previous prime is 280852447. The next prime is 280852487. The reversal of 280852463 is 364258082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280852463 - 24 = 280852447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280857463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140426231 + 140426232.

It is an arithmetic number, because the mean of its divisors is an integer number (140426232).

Almost surely, 2280852463 is an apocalyptic number.

280852463 is a deficient number, since it is larger than the sum of its proper divisors (1).

280852463 is an equidigital number, since it uses as much as digits as its factorization.

280852463 is an evil number, because the sum of its binary digits is even.

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

The square root of 280852463 is about 16758.6533766887. The cubic root of 280852463 is about 654.8765091666.

The spelling of 280852463 in words is "two hundred eighty million, eight hundred fifty-two thousand, four hundred sixty-three".