Base | Representation |
---|---|
bin | 110100110001… |
… | …101100010001 |
3 | 222000220002100 |
4 | 310301230101 |
5 | 12020210100 |
6 | 1212311013 |
7 | 225411231 |
oct | 64615421 |
9 | 28026070 |
10 | 13835025 |
11 | 789a506 |
12 | 4772469 |
13 | 2b35309 |
14 | 1ba1cc1 |
15 | 1334400 |
hex | d31b11 |
13835025 has 36 divisors (see below), whose sum is σ = 26244972. Its totient is φ = 6942720.
The previous prime is 13835023. The next prime is 13835027. The reversal of 13835025 is 52053831.
It is an interprime number because it is at equal distance from previous prime (13835023) and next prime (13835027).
It can be written as a sum of positive squares in 6 ways, for example, as 1640961 + 12194064 = 1281^2 + 3492^2 .
It is not a de Polignac number, because 13835025 - 21 = 13835023 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13835025.
It is not an unprimeable number, because it can be changed into a prime (13835023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2017 + ... + 5633.
It is an arithmetic number, because the mean of its divisors is an integer number (729027).
Almost surely, 213835025 is an apocalyptic number.
13835025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13835025 is a deficient number, since it is larger than the sum of its proper divisors (12409947).
13835025 is a wasteful number, since it uses less digits than its factorization.
13835025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3650 (or 3642 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 13835025 is about 3719.5463433059. The cubic root of 13835025 is about 240.0637851296.
Adding to 13835025 its reverse (52053831), we get a palindrome (65888856).
The spelling of 13835025 in words is "thirteen million, eight hundred thirty-five thousand, twenty-five".
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