Base | Representation |
---|---|
bin | 1000001000010100000011 |
3 | 11000021110110 |
4 | 20020110003 |
5 | 1021144303 |
6 | 113402403 |
7 | 24054264 |
oct | 10102403 |
9 | 4007413 |
10 | 2131203 |
11 | 1226228 |
12 | 869403 |
13 | 598089 |
14 | 3d696b |
15 | 2c1703 |
hex | 208503 |
2131203 has 16 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 1335840.
The previous prime is 2131193. The next prime is 2131223. The reversal of 2131203 is 3021312.
It is a happy number.
It is not a de Polignac number, because 2131203 - 216 = 2065667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2131223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393 + ... + 4853.
It is an arithmetic number, because the mean of its divisors is an integer number (188496).
22131203 is an apocalyptic number.
2131203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2131203 is a deficient number, since it is larger than the sum of its proper divisors (884733).
2131203 is a wasteful number, since it uses less digits than its factorization.
2131203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 2131203 is about 1459.8640347649. The cubic root of 2131203 is about 128.6890533799.
Adding to 2131203 its reverse (3021312), we get a palindrome (5152515).
The spelling of 2131203 in words is "two million, one hundred thirty-one thousand, two hundred three".
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