Base | Representation |
---|---|
bin | 1010100011001010… |
… | …0110010001000001 |
3 | 21022100121012000011 |
4 | 2220302212101001 |
5 | 21244422224400 |
6 | 1145000024521 |
7 | 130114132201 |
oct | 25062462101 |
9 | 7270535004 |
10 | 2831836225 |
11 | 1223552519 |
12 | 670462141 |
13 | 3618c5c4a |
14 | 1cc150401 |
15 | 1189278ba |
hex | a8ca6441 |
2831836225 has 27 divisors (see below), whose sum is σ = 3646674057. Its totient is φ = 2181389280.
The previous prime is 2831836187. The next prime is 2831836237. The reversal of 2831836225 is 5226381382.
The square root of 2831836225 is 53215.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 38925121 + 2792911104 = 6239^2 + 52848^2 .
It is not a de Polignac number, because 2831836225 - 231 = 684352577 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7715992 + ... + 7716358.
Almost surely, 22831836225 is an apocalyptic number.
2831836225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2831836225 is the 53215-th square number.
2831836225 is the 26608-th centered octagonal number.
It is an amenable number.
2831836225 is a deficient number, since it is larger than the sum of its proper divisors (814837832).
2831836225 is an frugal number, since it uses more digits than its factorization.
2831836225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 802 (or 401 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The cubic root of 2831836225 is about 1414.7815176245.
It can be divided in two parts, 2831 and 836225, that added together give a square (839056 = 9162).
The spelling of 2831836225 in words is "two billion, eight hundred thirty-one million, eight hundred thirty-six thousand, two hundred twenty-five".
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