Base | Representation |
---|---|
bin | 11001100111011… |
… | …10101000001101 |
3 | 112222100101110000 |
4 | 30303232220031 |
5 | 420002340200 |
6 | 33153434513 |
7 | 5216336331 |
oct | 1463565015 |
9 | 488311400 |
10 | 214886925 |
11 | 100330800 |
12 | 5bb6ba39 |
13 | 3569a336 |
14 | 207797c1 |
15 | 13cea300 |
hex | cceea0d |
214886925 has 90 divisors (see below), whose sum is σ = 438019274. Its totient is φ = 104068800.
The previous prime is 214886891. The next prime is 214886939. The reversal of 214886925 is 529688412.
It can be written as a sum of positive squares in 3 ways, for example, as 38900169 + 175986756 = 6237^2 + 13266^2 .
It is not a de Polignac number, because 214886925 - 27 = 214886797 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 244587 + ... + 245463.
Almost surely, 2214886925 is an apocalyptic number.
214886925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
214886925 is an abundant number, since it is smaller than the sum of its proper divisors (223132349).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214886925 is a wasteful number, since it uses less digits than its factorization.
214886925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 921 (or 896 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The square root of 214886925 is about 14659.0219660112. The cubic root of 214886925 is about 598.9675996012.
The spelling of 214886925 in words is "two hundred fourteen million, eight hundred eighty-six thousand, nine hundred twenty-five".
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