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1230488321 is a prime number
BaseRepresentation
bin100100101010111…
…1100001100000001
310011202101021122112
41021111330030001
510010001111241
6322033345105
742330656336
oct11125741401
93152337575
101230488321
115816400a7
122a4108195
13167c0a7ca
14b95c898d
157305e1eb
hex4957c301

1230488321 has 2 divisors, whose sum is σ = 1230488322. Its totient is φ = 1230488320.

The previous prime is 1230488267. The next prime is 1230488327. The reversal of 1230488321 is 1238840321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769785025 + 460703296 = 27745^2 + 21464^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230488321 - 26 = 1230488257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230488327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615244160 + 615244161.

It is an arithmetic number, because the mean of its divisors is an integer number (615244161).

Almost surely, 21230488321 is an apocalyptic number.

It is an amenable number.

1230488321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230488321 is an equidigital number, since it uses as much as digits as its factorization.

1230488321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1230488321 is about 35078.3169636173. The cubic root of 1230488321 is about 1071.5830415196.

The spelling of 1230488321 in words is "one billion, two hundred thirty million, four hundred eighty-eight thousand, three hundred twenty-one".