Search a number
-
+
134235025 = 5241173757
BaseRepresentation
bin10000000000001…
…00001110010001
3100100120211211121
420000010032101
5233331010100
621153042241
73216656521
oct1000041621
9310524747
10134235025
1169854841
1238b56381
1321a6c312
1413b83681
15bbb851a
hex8004391

134235025 has 24 divisors (see below), whose sum is σ = 171723384. Its totient is φ = 104025600.

The previous prime is 134234999. The next prime is 134235029. The reversal of 134235025 is 520532431.

It can be written as a sum of positive squares in 12 ways, for example, as 32809984 + 101425041 = 5728^2 + 10071^2 .

It is not a de Polignac number, because 134235025 - 27 = 134234897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134235029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176947 + ... + 177703.

It is an arithmetic number, because the mean of its divisors is an integer number (7155141).

Almost surely, 2134235025 is an apocalyptic number.

It is an amenable number.

134235025 is a deficient number, since it is larger than the sum of its proper divisors (37488359).

134235025 is a wasteful number, since it uses less digits than its factorization.

134235025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 134235025 is about 11585.9839892864. The cubic root of 134235025 is about 512.0219933281.

Adding to 134235025 its reverse (520532431), we get a palindrome (654767456).

The spelling of 134235025 in words is "one hundred thirty-four million, two hundred thirty-five thousand, twenty-five".

Divisors: 1 5 25 41 173 205 757 865 1025 3785 4325 7093 18925 31037 35465 130961 155185 177325 654805 775925 3274025 5369401 26847005 134235025