Search a number
-
+
198802850 = 25237412621
BaseRepresentation
bin10111101100101…
…11110110100010
3111212002020020112
423312113312202
5401343142400
631421011322
74632540101
oct1366276642
9455066215
10198802850
11a2245584
12566b3b42
133225842c
141c590038
15126be835
hexbd97da2

198802850 has 48 divisors (see below), whose sum is σ = 389178216. Its totient is φ = 75456000.

The previous prime is 198802847. The next prime is 198802853. The reversal of 198802850 is 58208891.

198802850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198802847) and next prime (198802853).

It can be written as a sum of positive squares in 12 ways, for example, as 26327161 + 172475689 = 5131^2 + 13133^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198802798 and 198802807.

It is not an unprimeable number, because it can be changed into a prime (198802853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74540 + ... + 77160.

Almost surely, 2198802850 is an apocalyptic number.

198802850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198802850 is a deficient number, since it is larger than the sum of its proper divisors (190375366).

198802850 is a wasteful number, since it uses less digits than its factorization.

198802850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 198802850 is about 14099.7464516210. The cubic root of 198802850 is about 583.6343824750.

The spelling of 198802850 in words is "one hundred ninety-eight million, eight hundred two thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 37 41 50 74 82 185 205 370 410 925 1025 1517 1850 2050 2621 3034 5242 7585 13105 15170 26210 37925 65525 75850 96977 107461 131050 193954 214922 484885 537305 969770 1074610 2424425 2686525 3976057 4848850 5373050 7952114 19880285 39760570 99401425 198802850