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1448021 is a prime number
BaseRepresentation
bin101100001100001010101
32201120022102
411201201111
5332314041
651011445
715210431
oct5414125
92646272
101448021
118a9a13
12599b85
133b9123
142999c1
151d909b
hex161855

1448021 has 2 divisors, whose sum is σ = 1448022. Its totient is φ = 1448020.

The previous prime is 1448003. The next prime is 1448039. The reversal of 1448021 is 1208441.

It is a balanced prime because it is at equal distance from previous prime (1448003) and next prime (1448039).

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 207025 = 1114^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448021 - 210 = 1446997 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1447984 and 1448002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724010 + 724011.

It is an arithmetic number, because the mean of its divisors is an integer number (724011).

21448021 is an apocalyptic number.

It is an amenable number.

1448021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448021 is an equidigital number, since it uses as much as digits as its factorization.

1448021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1448021 is about 1203.3374422829. The cubic root of 1448021 is about 113.1336034278.

The spelling of 1448021 in words is "one million, four hundred forty-eight thousand, twenty-one".