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1828354973 is a prime number
BaseRepresentation
bin110110011111010…
…0111101110011101
311201102101001111212
41230332213232131
512221024324343
6501231554205
763210521654
oct15476475635
94642331455
101828354973
11859071175
1243038b965
13231a3a363
14134b7819b
15aa7a9c18
hex6cfa7b9d

1828354973 has 2 divisors, whose sum is σ = 1828354974. Its totient is φ = 1828354972.

The previous prime is 1828354937. The next prime is 1828354993. The reversal of 1828354973 is 3794538281.

Together with previous prime (1828354937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416995449 + 411359524 = 37643^2 + 20282^2 .

It is an emirp because it is prime and its reverse (3794538281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1828354973 - 210 = 1828353949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828354993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914177486 + 914177487.

It is an arithmetic number, because the mean of its divisors is an integer number (914177487).

Almost surely, 21828354973 is an apocalyptic number.

It is an amenable number.

1828354973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828354973 is an equidigital number, since it uses as much as digits as its factorization.

1828354973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 1828354973 is about 42759.2676854971. The cubic root of 1828354973 is about 1222.7945820376.

The spelling of 1828354973 in words is "one billion, eight hundred twenty-eight million, three hundred fifty-four thousand, nine hundred seventy-three".