Search a number
-
+
198357200 = 2452495893
BaseRepresentation
bin10111101001010…
…11000011010000
3111211020120220222
423310223003100
5401234412300
631403252212
74626002606
oct1364530320
9454216828
10198357200
11a1a70778
125651a068
1332130632
141c4b5876
1512632785
hexbd2b0d0

198357200 has 30 divisors (see below), whose sum is σ = 476554134. Its totient is φ = 79342720.

The previous prime is 198357197. The next prime is 198357223. The reversal of 198357200 is 2753891.

It can be written as a sum of positive squares in 3 ways, for example, as 10995856 + 187361344 = 3316^2 + 13688^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 247547 + ... + 248346.

Almost surely, 2198357200 is an apocalyptic number.

198357200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198357200 is an abundant number, since it is smaller than the sum of its proper divisors (278196934).

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

198357200 is a wasteful number, since it uses less digits than its factorization.

198357200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495911 (or 495900 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 198357200 is about 14083.9341094738. The cubic root of 198357200 is about 583.1979513490.

The spelling of 198357200 in words is "one hundred ninety-eight million, three hundred fifty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 495893 991786 1983572 2479465 3967144 4958930 7934288 9917860 12397325 19835720 24794650 39671440 49589300 99178600 198357200