Search a number
-
+
228218050 = 2524619901
BaseRepresentation
bin11011001101001…
…01010011000010
3120220102200022101
431212211103002
5431410434200
634351301014
75440551514
oct1546452302
9526380271
10228218050
11107906665
126451a76a
1338387188
1422449bb4
151508026a
hexd9a54c2

228218050 has 24 divisors (see below), whose sum is σ = 425449332. Its totient is φ = 91080000.

The previous prime is 228218033. The next prime is 228218051. The reversal of 228218050 is 50812822.

It can be written as a sum of positive squares in 6 ways, for example, as 127396369 + 100821681 = 11287^2 + 10041^2 .

It is not an unprimeable number, because it can be changed into a prime (228218051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18100 + ... + 28000.

Almost surely, 2228218050 is an apocalyptic number.

228218050 is a deficient number, since it is larger than the sum of its proper divisors (197231282).

228218050 is a wasteful number, since it uses less digits than its factorization.

228218050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 228218050 is about 15106.8875020634. The cubic root of 228218050 is about 611.1061627392.

The spelling of 228218050 in words is "two hundred twenty-eight million, two hundred eighteen thousand, fifty".

Divisors: 1 2 5 10 25 50 461 922 2305 4610 9901 11525 19802 23050 49505 99010 247525 495050 4564361 9128722 22821805 45643610 114109025 228218050