Base | Representation |
---|---|
bin | 11001100100101… |
… | …01000011011001 |
3 | 112221122202011010 |
4 | 30302111003121 |
5 | 414404120100 |
6 | 33141524133 |
7 | 5213250546 |
oct | 1462250331 |
9 | 487582133 |
10 | 214520025 |
11 | 100100085 |
12 | 5ba13649 |
13 | 3559c335 |
14 | 206c1bcd |
15 | 13c76750 |
hex | cc950d9 |
214520025 has 48 divisors (see below), whose sum is σ = 377440128. Its totient is φ = 107136000.
The previous prime is 214519973. The next prime is 214520041. The reversal of 214520025 is 520025412.
It is a happy number.
It is not a de Polignac number, because 214520025 - 26 = 214519961 is a prime.
It is a super-2 number, since 2×2145200252 = 92037682252001250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 214519983 and 214520010.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396255 + ... + 396795.
It is an arithmetic number, because the mean of its divisors is an integer number (7863336).
Almost surely, 2214520025 is an apocalyptic number.
214520025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
214520025 is a deficient number, since it is larger than the sum of its proper divisors (162920103).
214520025 is a wasteful number, since it uses less digits than its factorization.
214520025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882 (or 877 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 214520025 is about 14646.5021421498. The cubic root of 214520025 is about 598.6265110571.
Adding to 214520025 its reverse (520025412), we get a palindrome (734545437).
The spelling of 214520025 in words is "two hundred fourteen million, five hundred twenty thousand, twenty-five".
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