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1948069 is a prime number
BaseRepresentation
bin111011011100110100101
310122222020201
413123212211
5444314234
6105430501
722362334
oct7334645
93588221
101948069
111110682
1279b431
13532906
14389d1b
15287314
hex1db9a5

1948069 has 2 divisors, whose sum is σ = 1948070. Its totient is φ = 1948068.

The previous prime is 1948049. The next prime is 1948073. The reversal of 1948069 is 9608491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1855044 + 93025 = 1362^2 + 305^2 .

It is an emirp because it is prime and its reverse (9608491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1948069 - 27 = 1947941 is a prime.

It is a super-2 number, since 2×19480692 = 7589945657522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948049) 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, 974034 + 974035.

It is an arithmetic number, because the mean of its divisors is an integer number (974035).

21948069 is an apocalyptic number.

It is an amenable number.

1948069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948069 is an equidigital number, since it uses as much as digits as its factorization.

1948069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1948069 is about 1395.7324242132. The cubic root of 1948069 is about 124.8920454600.

The spelling of 1948069 in words is "one million, nine hundred forty-eight thousand, sixty-nine".