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1481899 is a prime number
BaseRepresentation
bin101101001110010101011
32210021210011
411221302223
5334410044
651432351
715411256
oct5516253
92707704
101481899
11922411
125b56b7
133cb683
142a809d
151e4134
hex169cab

1481899 has 2 divisors, whose sum is σ = 1481900. Its totient is φ = 1481898.

The previous prime is 1481897. The next prime is 1481911. The reversal of 1481899 is 9981841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1481899 - 21 = 1481897 is a prime.

Together with 1481897, it forms a pair of twin primes.

It is a Chen prime.

1481899 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1481891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740949 + 740950.

It is an arithmetic number, because the mean of its divisors is an integer number (740950).

21481899 is an apocalyptic number.

1481899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481899 is an equidigital number, since it uses as much as digits as its factorization.

1481899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 40.

The square root of 1481899 is about 1217.3327400510. The cubic root of 1481899 is about 114.0091046386.

The spelling of 1481899 in words is "one million, four hundred eighty-one thousand, eight hundred ninety-nine".