Base | Representation |
---|---|
bin | 11000000001010… |
… | …01110110101001 |
3 | 112001011011022211 |
4 | 30000221312221 |
5 | 403040414100 |
6 | 31554445121 |
7 | 4664463541 |
oct | 1400516651 |
9 | 461134284 |
10 | 201498025 |
11 | a38164a3 |
12 | 575937a1 |
13 | 32990101 |
14 | 1ca92321 |
15 | 12a531ba |
hex | c029da9 |
201498025 has 27 divisors (see below), whose sum is σ = 267018469. Its totient is φ = 150807680.
The previous prime is 201498019. The next prime is 201498049. The reversal of 201498025 is 520894102.
The square root of 201498025 is 14195.
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 4713241 + 196784784 = 2171^2 + 14028^2 .
It is not a de Polignac number, because 201498025 - 25 = 201497993 is a prime.
It is a super-3 number, since 3×2014980253 (a number of 26 digits) contains 333 as substring.
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, 1206492 + ... + 1206658.
Almost surely, 2201498025 is an apocalyptic number.
201498025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
201498025 is the 14195-th square number.
201498025 is the 7098-th centered octagonal number.
It is an amenable number.
201498025 is a deficient number, since it is larger than the sum of its proper divisors (65520444).
201498025 is an equidigital number, since it uses as much as digits as its factorization.
201498025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378 (or 189 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The cubic root of 201498025 is about 586.2600012236.
The spelling of 201498025 in words is "two hundred one million, four hundred ninety-eight thousand, twenty-five".
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