Search a number
-
+
50217325 = 52372332
BaseRepresentation
bin1011111110010…
…0000101101101
310111111022012221
42333210011231
5100323423300
64552155341
71146561124
oct277440555
9114438187
1050217325
112638a024
1214998b51
13a5332c2
146952abb
15461e31a
hex2fe416d

50217325 has 18 divisors (see below), whose sum is σ = 64228094. Its totient is φ = 38920320.

The previous prime is 50217317. The next prime is 50217329. The reversal of 50217325 is 52371205.

It can be written as a sum of positive squares in 9 ways, for example, as 17189316 + 33028009 = 4146^2 + 5747^2 .

It is not a de Polignac number, because 50217325 - 23 = 50217317 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 a self number, because there is not a number n which added to its sum of digits gives 50217325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50217329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 215409 + ... + 215641.

Almost surely, 250217325 is an apocalyptic number.

It is an amenable number.

50217325 is a deficient number, since it is larger than the sum of its proper divisors (14010769).

50217325 is an equidigital number, since it uses as much as digits as its factorization.

50217325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 50217325 is about 7086.4183477974. The cubic root of 50217325 is about 368.9361331679.

The spelling of 50217325 in words is "fifty million, two hundred seventeen thousand, three hundred twenty-five".

Divisors: 1 5 25 37 185 233 925 1165 5825 8621 43105 54289 215525 271445 1357225 2008693 10043465 50217325