Base | Representation |
---|---|
bin | 10111110111000… |
… | …10000001011110 |
3 | 111221121221100200 |
4 | 23323202001132 |
5 | 402214431410 |
6 | 31510004330 |
7 | 4650201642 |
oct | 1373420136 |
9 | 457557320 |
10 | 200155230 |
11 | a2a89650 |
12 | 570466a6 |
13 | 3260cb62 |
14 | 1c822c22 |
15 | 1288a3c0 |
hex | bee205e |
200155230 has 96 divisors (see below), whose sum is σ = 571360608. Its totient is φ = 48211200.
The previous prime is 200155217. The next prime is 200155231. The reversal of 200155230 is 32551002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200155231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178632 + ... + 179748.
It is an arithmetic number, because the mean of its divisors is an integer number (5951673).
Almost surely, 2200155230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200155230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285680304).
200155230 is an abundant number, since it is smaller than the sum of its proper divisors (371205378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200155230 is a wasteful number, since it uses less digits than its factorization.
200155230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1322 (or 1319 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 200155230 is about 14147.6227685078. The cubic root of 200155230 is about 584.9548069405.
The spelling of 200155230 in words is "two hundred million, one hundred fifty-five thousand, two hundred thirty".
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