Base | Representation |
---|---|
bin | 11000001101101… |
… | …11101001011110 |
3 | 112011012221101200 |
4 | 30012313221132 |
5 | 404000034030 |
6 | 32053420330 |
7 | 5014361064 |
oct | 1406675136 |
9 | 464187350 |
10 | 203127390 |
11 | a4729684 |
12 | 5803a6a6 |
13 | 3311092b |
14 | 1cd98034 |
15 | 12c75d60 |
hex | c1b7a5e |
203127390 has 48 divisors (see below), whose sum is σ = 559201968. Its totient is φ = 50980608.
The previous prime is 203127371. The next prime is 203127401. The reversal of 203127390 is 93721302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64852 + ... + 67911.
It is an arithmetic number, because the mean of its divisors is an integer number (11650041).
Almost surely, 2203127390 is an apocalyptic number.
203127390 is an abundant number, since it is smaller than the sum of its proper divisors (356074578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203127390 is a wasteful number, since it uses less digits than its factorization.
203127390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132793 (or 132790 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 203127390 is about 14252.2766602392. The cubic root of 203127390 is about 587.8359774350.
Adding to 203127390 its reverse (93721302), we get a palindrome (296848692).
The spelling of 203127390 in words is "two hundred three million, one hundred twenty-seven thousand, three hundred ninety".
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