Search a number
-
+
220303998 = 23225747623
BaseRepresentation
bin11010010000110…
…01001001111110
3120100112121021100
431020121021332
5422344211443
633505513530
75313360465
oct1510311176
9510477240
10220303998
111033a0722
12619428a6
1336845bc5
14213899dc
151451a3d3
hexd21927e

220303998 has 24 divisors (see below), whose sum is σ = 479192688. Its totient is φ = 73147392.

The previous prime is 220303997. The next prime is 220304023. The reversal of 220303998 is 899303022.

220303998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220303997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19186 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (19966362).

Almost surely, 2220303998 is an apocalyptic number.

220303998 is an abundant number, since it is smaller than the sum of its proper divisors (258888690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220303998 is a wasteful number, since it uses less digits than its factorization.

220303998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47888 (or 47885 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 220303998 is about 14842.6412070089. The cubic root of 220303998 is about 603.9590030358.

The spelling of 220303998 in words is "two hundred twenty million, three hundred three thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 18 257 514 771 1542 2313 4626 47623 95246 142869 285738 428607 857214 12239111 24478222 36717333 73434666 110151999 220303998