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283122001 is a prime number
BaseRepresentation
bin10000111000000…
…001100101010001
3201201202002101001
4100320001211101
51034434401001
644032142001
710005332401
oct2070014521
9651662331
10283122001
111358a6828
127a997901
134686b716
142985c801
1519cc8001
hex10e01951

283122001 has 2 divisors, whose sum is σ = 283122002. Its totient is φ = 283122000.

The previous prime is 283121999. The next prime is 283122043. The reversal of 283122001 is 100221382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197374401 + 85747600 = 14049^2 + 9260^2 .

It is a cyclic number.

It is not a de Polignac number, because 283122001 - 21 = 283121999 is a prime.

Together with 283121999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 283122001.

It is not a weakly prime, because it can be changed into another prime (283122601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141561000 + 141561001.

It is an arithmetic number, because the mean of its divisors is an integer number (141561001).

Almost surely, 2283122001 is an apocalyptic number.

It is an amenable number.

283122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

283122001 is an equidigital number, since it uses as much as digits as its factorization.

283122001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 283122001 is about 16826.2295538840. The cubic root of 283122001 is about 656.6357739539.

Adding to 283122001 its reverse (100221382), we get a palindrome (383343383).

The spelling of 283122001 in words is "two hundred eighty-three million, one hundred twenty-two thousand, one".