Base | Representation |
---|---|
bin | 11001011100001… |
… | …10001011011101 |
3 | 112212120101012112 |
4 | 30232012023131 |
5 | 414113114100 |
6 | 33102043405 |
7 | 5200650056 |
oct | 1456061335 |
9 | 485511175 |
10 | 213410525 |
11 | aa512539 |
12 | 5b579565 |
13 | 352a1323 |
14 | 204b372d |
15 | 13b07b35 |
hex | cb862dd |
213410525 has 12 divisors (see below), whose sum is σ = 265772052. Its totient is φ = 169991040.
The previous prime is 213410473. The next prime is 213410531. The reversal of 213410525 is 525014312.
It can be written as a sum of positive squares in 6 ways, for example, as 28504921 + 184905604 = 5339^2 + 13598^2 .
It is a de Polignac number, because none of the positive numbers 2k-213410525 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 213410525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12494 + ... + 24143.
It is an arithmetic number, because the mean of its divisors is an integer number (22147671).
Almost surely, 2213410525 is an apocalyptic number.
213410525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
213410525 is a deficient number, since it is larger than the sum of its proper divisors (52361527).
213410525 is a wasteful number, since it uses less digits than its factorization.
213410525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36880 (or 36875 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 213410525 is about 14608.5771038798. The cubic root of 213410525 is about 597.5926923299.
Adding to 213410525 its reverse (525014312), we get a palindrome (738424837).
The spelling of 213410525 in words is "two hundred thirteen million, four hundred ten thousand, five hundred twenty-five".
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