Base | Representation |
---|---|
bin | 11000000000010… |
… | …00011101001110 |
3 | 112000220012200100 |
4 | 30000020131032 |
5 | 403022024410 |
6 | 31551511530 |
7 | 4663353660 |
oct | 1400103516 |
9 | 460805610 |
10 | 201361230 |
11 | a3732744 |
12 | 575285a6 |
13 | 32942a75 |
14 | 1ca58530 |
15 | 12a278c0 |
hex | c00874e |
201361230 has 96 divisors (see below), whose sum is σ = 602956224. Its totient is φ = 45669888.
The previous prime is 201361187. The next prime is 201361231. The reversal of 201361230 is 32163102.
201361230 is a `hidden beast` number, since 20 + 1 + 3 + 612 + 30 = 666.
It is a super-2 number, since 2×2013612302 = 81092689894225800, which contains 22 as substring.
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 (201361231) 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, 85144 + ... + 87476.
It is an arithmetic number, because the mean of its divisors is an integer number (6280794).
Almost surely, 2201361230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201361230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301478112).
201361230 is an abundant number, since it is smaller than the sum of its proper divisors (401594994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201361230 is a wasteful number, since it uses less digits than its factorization.
201361230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490 (or 2487 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 201361230 is about 14190.1807599481. The cubic root of 201361230 is about 586.1273025000.
The spelling of 201361230 in words is "two hundred one million, three hundred sixty-one thousand, two hundred thirty".
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