Search a number
-
+
36438125 = 54173337
BaseRepresentation
bin1000101100000…
…0000001101101
32112120020201012
42023000001231
533312010000
63340555005
7621501413
oct213000155
975506635
1036438125
1119628559
1210252a65
13771a529
144ba72b3
1532eb735
hex22c006d

36438125 has 20 divisors (see below), whose sum is σ = 45932172. Its totient is φ = 28896000.

The previous prime is 36438121. The next prime is 36438131. The reversal of 36438125 is 52183463.

It can be written as a sum of positive squares in 10 ways, for example, as 24068836 + 12369289 = 4906^2 + 3517^2 .

It is not a de Polignac number, because 36438125 - 22 = 36438121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36438091 and 36438100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36438121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107957 + ... + 108293.

Almost surely, 236438125 is an apocalyptic number.

It is an amenable number.

36438125 is a deficient number, since it is larger than the sum of its proper divisors (9494047).

36438125 is an equidigital number, since it uses as much as digits as its factorization.

36438125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 515 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 36438125 is about 6036.4000033132. The cubic root of 36438125 is about 331.5268244861.

It can be divided in two parts, 36438 and 125, that added together give a palindrome (36563).

The spelling of 36438125 in words is "thirty-six million, four hundred thirty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 173 337 625 865 1685 4325 8425 21625 42125 58301 108125 210625 291505 1457525 7287625 36438125