Search a number
-
+
422135441 = 7213662693
BaseRepresentation
bin11001001010010…
…100011010010001
31002102022200221222
4121022110122101
51331031313231
6105515454425
713314043400
oct3112243221
91072280858
10422135441
111a7314672
12b9457415
13695c19b0
14400c7637
15270d727b
hex19294691

422135441 has 12 divisors (see below), whose sum is σ = 528829812. Its totient is φ = 333996768.

The previous prime is 422135431. The next prime is 422135447. The reversal of 422135441 is 144531224.

It can be written as a sum of positive squares in 2 ways, for example, as 59613841 + 362521600 = 7721^2 + 19040^2 .

It is not a de Polignac number, because 422135441 - 226 = 355026577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422135441.

It is not an unprimeable number, because it can be changed into a prime (422135447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330710 + ... + 331983.

It is an arithmetic number, because the mean of its divisors is an integer number (44069151).

Almost surely, 2422135441 is an apocalyptic number.

It is an amenable number.

422135441 is a deficient number, since it is larger than the sum of its proper divisors (106694371).

422135441 is a wasteful number, since it uses less digits than its factorization.

422135441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662720 (or 662713 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 422135441 is about 20545.9349020676. The cubic root of 422135441 is about 750.1543036591.

Adding to 422135441 its reverse (144531224), we get a palindrome (566666665).

The spelling of 422135441 in words is "four hundred twenty-two million, one hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 7 13 49 91 637 662693 4638851 8615009 32471957 60305063 422135441