Search a number
-
+
1841429 is a prime number
BaseRepresentation
bin111000001100100010101
310110112222002
413001210111
5432411204
6103245045
721436412
oct7014425
93415862
101841429
111048547
12749785
134c6205
1435d109
1526591e
hex1c1915

1841429 has 2 divisors, whose sum is σ = 1841430. Its totient is φ = 1841428.

The previous prime is 1841401. The next prime is 1841443. The reversal of 1841429 is 9241481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 220900 = 1273^2 + 470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1841429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p137936 and since 1841429 and 137936 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1841479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920714 + 920715.

It is an arithmetic number, because the mean of its divisors is an integer number (920715).

21841429 is an apocalyptic number.

It is an amenable number.

1841429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841429 is an equidigital number, since it uses as much as digits as its factorization.

1841429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1841429 is about 1356.9926307832. The cubic root of 1841429 is about 122.5702276756.

The spelling of 1841429 in words is "one million, eight hundred forty-one thousand, four hundred twenty-nine".