Search a number
-
+
52051250 = 25441641
BaseRepresentation
bin1100011010001…
…1110100110010
310121221110220002
43012203310302
5101311120000
65055350002
71201266626
oct306436462
9117843802
1052051250
1127421969
1215522302
13aa25c74
146cad186
1548828d5
hex31a3d32

52051250 has 20 divisors (see below), whose sum is σ = 97567206. Its totient is φ = 20820000.

The previous prime is 52051249. The next prime is 52051261. The reversal of 52051250 is 5215025.

52051250 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 5 ways, for example, as 10975969 + 41075281 = 3313^2 + 6409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19571 + ... + 22070.

Almost surely, 252051250 is an apocalyptic number.

52051250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52051250 is a deficient number, since it is larger than the sum of its proper divisors (45515956).

52051250 is an equidigital number, since it uses as much as digits as its factorization.

52051250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41663 (or 41648 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 52051250 is about 7214.6552239175. The cubic root of 52051250 is about 373.3736979812.

Adding to 52051250 its reverse (5215025), we get a palindrome (57266275).

The spelling of 52051250 in words is "fifty-two million, fifty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 41641 83282 208205 416410 1041025 2082050 5205125 10410250 26025625 52051250