Search a number
-
+
1042410421 = 1326168109
BaseRepresentation
bin111110001000011…
…110101110110101
32200122110221021101
4332020132232311
54113324113141
6251234250101
734555225303
oct7610365665
92618427241
101042410421
11495460418
12251126931
13137c68c00
149c62b273
15617ac531
hex3e21ebb5

1042410421 has 6 divisors (see below), whose sum is σ = 1128764130. Its totient is φ = 962224848.

The previous prime is 1042410419. The next prime is 1042410431. The reversal of 1042410421 is 1240142401.

It can be written as a sum of positive squares in 3 ways, for example, as 17514225 + 1024896196 = 4185^2 + 32014^2 .

It is not a de Polignac number, because 1042410421 - 21 = 1042410419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042410401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083886 + ... + 3084223.

It is an arithmetic number, because the mean of its divisors is an integer number (188127355).

Almost surely, 21042410421 is an apocalyptic number.

It is an amenable number.

1042410421 is a deficient number, since it is larger than the sum of its proper divisors (86353709).

1042410421 is an equidigital number, since it uses as much as digits as its factorization.

1042410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168135 (or 6168122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1042410421 is about 32286.3813549924. The cubic root of 1042410421 is about 1013.9415372824.

Adding to 1042410421 its reverse (1240142401), we get a palindrome (2282552822).

The spelling of 1042410421 in words is "one billion, forty-two million, four hundred ten thousand, four hundred twenty-one".

Divisors: 1 13 169 6168109 80185417 1042410421