Base | Representation |
---|---|
bin | 10111101001111… |
… | …11110010110000 |
3 | 111211101220110122 |
4 | 23310333302300 |
5 | 401300122120 |
6 | 31405145412 |
7 | 4626505400 |
oct | 1364776260 |
9 | 454356418 |
10 | 198442160 |
11 | a2019594 |
12 | 5655b268 |
13 | 321601c7 |
14 | 1c4d8800 |
15 | 1264ca25 |
hex | bd3fcb0 |
198442160 has 240 divisors, whose sum is σ = 586248192. Its totient is φ = 62092800.
The previous prime is 198442159. The next prime is 198442163. The reversal of 198442160 is 61244891.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 198442160.
It is not an unprimeable number, because it can be changed into a prime (198442163) 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 47 ways as a sum of consecutive naturals, for example, 2794925 + ... + 2794995.
Almost surely, 2198442160 is an apocalyptic number.
198442160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 198442160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293124096).
198442160 is an abundant number, since it is smaller than the sum of its proper divisors (387806032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198442160 is a wasteful number, since it uses less digits than its factorization.
198442160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152 (or 139 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 198442160 is about 14086.9499892631. The cubic root of 198442160 is about 583.2812042306.
It can be divided in two parts, 1984 and 42160, that added together give a palindrome (44144).
The spelling of 198442160 in words is "one hundred ninety-eight million, four hundred forty-two thousand, one hundred sixty".
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