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1448189 is a prime number
BaseRepresentation
bin101100001100011111101
32201120112122
411201203331
5332320224
651012325
715211061
oct5414375
92646478
101448189
118aa056
1259a0a5
133b9222
14299aa1
151d915e
hex1618fd

1448189 has 2 divisors, whose sum is σ = 1448190. Its totient is φ = 1448188.

The previous prime is 1448177. The next prime is 1448191. The reversal of 1448189 is 9818441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 20164 = 1195^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448189 - 220 = 399613 is a prime.

Together with 1448191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724094 + 724095.

It is an arithmetic number, because the mean of its divisors is an integer number (724095).

21448189 is an apocalyptic number.

It is an amenable number.

1448189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448189 is an equidigital number, since it uses as much as digits as its factorization.

1448189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 1448189 is about 1203.4072461141. The cubic root of 1448189 is about 113.1379785278.

The spelling of 1448189 in words is "one million, four hundred forty-eight thousand, one hundred eighty-nine".