Search a number
-
+
634031 is a prime number
BaseRepresentation
bin10011010110010101111
31012012201122
42122302233
5130242111
621331155
75250326
oct2326257
91165648
10634031
113a33a2
12266abb
13192788
141270bd
15c7cdb
hex9acaf

634031 has 2 divisors, whose sum is σ = 634032. Its totient is φ = 634030.

The previous prime is 634013. The next prime is 634061. The reversal of 634031 is 130436.

Together with previous prime (634013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634031 - 26 = 633967 is a prime.

It is a super-2 number, since 2×6340312 = 803990617922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634031.

It is not a weakly prime, because it can be changed into another prime (634061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317015 + 317016.

It is an arithmetic number, because the mean of its divisors is an integer number (317016).

2634031 is an apocalyptic number.

634031 is a deficient number, since it is larger than the sum of its proper divisors (1).

634031 is an equidigital number, since it uses as much as digits as its factorization.

634031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 634031 is about 796.2606357217. The cubic root of 634031 is about 85.9086374259.

Adding to 634031 its reverse (130436), we get a palindrome (764467).

The spelling of 634031 in words is "six hundred thirty-four thousand, thirty-one".