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1842481 is a prime number
BaseRepresentation
bin111000001110100110001
310110121102001
413001310301
5432424411
6103254001
721442444
oct7016461
93417361
101842481
111049313
1274a301
134c6834
1435d65b
15265dc1
hex1c1d31

1842481 has 2 divisors, whose sum is σ = 1842482. Its totient is φ = 1842480.

The previous prime is 1842479. The next prime is 1842493.

1842481 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 874225 = 984^2 + 935^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1842481 - 21 = 1842479 is a prime.

It is a super-2 number, since 2×18424812 = 6789472470722, which contains 22 as substring.

Together with 1842479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1842431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921240 + 921241.

It is an arithmetic number, because the mean of its divisors is an integer number (921241).

21842481 is an apocalyptic number.

It is an amenable number.

1842481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842481 is an equidigital number, since it uses as much as digits as its factorization.

1842481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 28.

The square root of 1842481 is about 1357.3801972918. The cubic root of 1842481 is about 122.5935645030.

The spelling of 1842481 in words is "one million, eight hundred forty-two thousand, four hundred eighty-one".