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1942481 is a prime number
BaseRepresentation
bin111011010001111010001
310122200120202
413122033101
5444124411
6105344545
722340132
oct7321721
93580522
101942481
111107462
12798155
135301c8
14387c89
1528583b
hex1da3d1

1942481 has 2 divisors, whose sum is σ = 1942482. Its totient is φ = 1942480.

The previous prime is 1942459. The next prime is 1942483. The reversal of 1942481 is 1842491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 960400 = 991^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1942481 - 26 = 1942417 is a prime.

It is a super-2 number, since 2×19424812 = 7546464870722, which contains 22 as substring.

Together with 1942483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1942483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971240 + 971241.

It is an arithmetic number, because the mean of its divisors is an integer number (971241).

21942481 is an apocalyptic number.

It is an amenable number.

1942481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942481 is an equidigital number, since it uses as much as digits as its factorization.

1942481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 1942481 is about 1393.7291702479. The cubic root of 1942481 is about 124.7725142530.

The spelling of 1942481 in words is "one million, nine hundred forty-two thousand, four hundred eighty-one".