Search a number
-
+
534242431 is a prime number
BaseRepresentation
bin11111110101111…
…110010001111111
31101020021022211201
4133311332101333
52043231224211
6125002400331
716144662052
oct3765762177
91336238751
10534242431
11254625278
1212ab000a7
13868b40a8
1450d4aa99
1531d7e0c1
hex1fd7e47f

534242431 has 2 divisors, whose sum is σ = 534242432. Its totient is φ = 534242430.

The previous prime is 534242419. The next prime is 534242441. The reversal of 534242431 is 134242435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534242431 - 221 = 532145279 is a prime.

It is a super-2 number, since 2×5342424312 = 570829950161579522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 534242431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534242441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267121215 + 267121216.

It is an arithmetic number, because the mean of its divisors is an integer number (267121216).

Almost surely, 2534242431 is an apocalyptic number.

534242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

534242431 is an equidigital number, since it uses as much as digits as its factorization.

534242431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 534242431 is about 23113.6849290631. The cubic root of 534242431 is about 811.4207808210.

Adding to 534242431 its reverse (134242435), we get a palindrome (668484866).

It can be divided in two parts, 53424 and 2431, that added together give a palindrome (55855).

The spelling of 534242431 in words is "five hundred thirty-four million, two hundred forty-two thousand, four hundred thirty-one".