Search a number
-
+
50623225 = 5214232
BaseRepresentation
bin1100000100011…
…1001011111001
310112020221000021
43001013023321
5100424420400
65005010441
71153201402
oct301071371
9115227007
1050623225
1126636a84
1214b53a21
13a645c93
146a1a9a9
15469e71a
hex30472f9

50623225 has 9 divisors (see below), whose sum is σ = 62816943. Its totient is φ = 40470120.

The previous prime is 50623171. The next prime is 50623291. The reversal of 50623225 is 52232605.

The square root of 50623225 is 7115.

It is a perfect power (a square), and thus also a powerful number.

50623225 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 only one way, i.e., 18224361 + 32398864 = 4269^2 + 5692^2 .

It is not a de Polignac number, because 50623225 - 215 = 50590457 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 50623225.

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 8 ways as a sum of consecutive naturals, for example, 34864 + ... + 36286.

Almost surely, 250623225 is an apocalyptic number.

50623225 is the 7115-th square number.

50623225 is the 3558-th centered octagonal number.

It is an amenable number.

50623225 is a deficient number, since it is larger than the sum of its proper divisors (12193718).

50623225 is an frugal number, since it uses more digits than its factorization.

50623225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 1428 counting only the distinct ones).

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

The cubic root of 50623225 is about 369.9274876161.

Multiplying 50623225 by its sum of digits (25), we get a square (1265580625 = 355752).

50623225 divided by its sum of digits (25) gives a square (2024929 = 14232).

Multiplying 50623225 by its product of nonzero digits (3600), we get a square (182243610000 = 4269002).

The spelling of 50623225 in words is "fifty million, six hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 1423 7115 35575 2024929 10124645 50623225