Base | Representation |
---|---|
bin | 11000001110011… |
… | …00100000000001 |
3 | 112011101021120001 |
4 | 30013030200001 |
5 | 404010302201 |
6 | 32055320001 |
7 | 5015165101 |
oct | 1407144001 |
9 | 464337501 |
10 | 203212801 |
11 | a4787870 |
12 | 58080001 |
13 | 3314077c |
14 | 1cdbb201 |
15 | 12c91301 |
hex | c1cc801 |
203212801 has 16 divisors (see below), whose sum is σ = 227505600. Its totient is φ = 179953920.
The previous prime is 203212783. The next prime is 203212811. The reversal of 203212801 is 108212302.
It is a cyclic number.
It is not a de Polignac number, because 203212801 - 211 = 203210753 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203212811) 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, 65125 + ... + 68173.
It is an arithmetic number, because the mean of its divisors is an integer number (14219100).
Almost surely, 2203212801 is an apocalyptic number.
It is an amenable number.
203212801 is a deficient number, since it is larger than the sum of its proper divisors (24292799).
203212801 is a wasteful number, since it uses less digits than its factorization.
203212801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3216.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 203212801 is about 14255.2727437955. The cubic root of 203212801 is about 587.9183569755.
The spelling of 203212801 in words is "two hundred three million, two hundred twelve thousand, eight hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •