Search a number
-
+
198802 = 299401
BaseRepresentation
bin110000100010010010
3101002201001
4300202102
522330202
64132214
71455412
oct604222
9332631
10198802
111263aa
129706a
136c646
1452642
153dd87
hex30892

198802 has 4 divisors (see below), whose sum is σ = 298206. Its totient is φ = 99400.

The previous prime is 198769. The next prime is 198811. The reversal of 198802 is 208891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 39601 = 399^2 + 199^2 .

It is an Ulam number.

It is an unprimeable number.

198802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49699 + ... + 49702.

2198802 is an apocalyptic number.

198802 is a deficient number, since it is larger than the sum of its proper divisors (99404).

198802 is an equidigital number, since it uses as much as digits as its factorization.

198802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99403.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 198802 is about 445.8721789930. The cubic root of 198802 is about 58.3633550680.

It can be divided in two parts, 198 and 802, that added together give a cube (1000 = 103).

The spelling of 198802 in words is "one hundred ninety-eight thousand, eight hundred two".

Divisors: 1 2 99401 198802