Search a number
-
+
634164025 = 52112297229
BaseRepresentation
bin100101110011001…
…001001100111001
31122012021212111111
4211303021030321
52244321222100
6142532200321
721500206465
oct4563111471
91565255444
10634164025
112a5a72900
121584690a1
13a14cacb1
146031b4a5
153aa1a6ba
hex25cc9339

634164025 has 36 divisors (see below), whose sum is σ = 894278700. Its totient is φ = 445244800.

The previous prime is 634164001. The next prime is 634164029. The reversal of 634164025 is 520461436.

634164025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 35676729 + 598487296 = 5973^2 + 24464^2 .

It is not a de Polignac number, because 634164025 - 217 = 634032953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634164029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84111 + ... + 91339.

It is an arithmetic number, because the mean of its divisors is an integer number (24841075).

Almost surely, 2634164025 is an apocalyptic number.

It is an amenable number.

634164025 is a deficient number, since it is larger than the sum of its proper divisors (260114675).

634164025 is a wasteful number, since it uses less digits than its factorization.

634164025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 634164025 is about 25182.6135458574. The cubic root of 634164025 is about 859.1464512234.

The spelling of 634164025 in words is "six hundred thirty-four million, one hundred sixty-four thousand, twenty-five".

Divisors: 1 5 11 25 29 55 121 145 275 319 605 725 1595 3025 3509 7229 7975 17545 36145 79519 87725 180725 209641 397595 874709 1048205 1987975 2306051 4373545 5241025 11530255 21867725 25366561 57651275 126832805 634164025