Base | Representation |
---|---|
bin | 100111000111… |
… | …010001001001 |
3 | 201021221000000 |
4 | 213013101021 |
5 | 10111102020 |
6 | 1003433213 |
7 | 153103152 |
oct | 47072111 |
9 | 21257000 |
10 | 10253385 |
11 | 587357a |
12 | 3525809 |
13 | 217ccbc |
14 | 150c929 |
15 | d78090 |
hex | 9c7449 |
10253385 has 56 divisors (see below), whose sum is σ = 19280520. Its totient is φ = 5225472.
The previous prime is 10253371. The next prime is 10253389. The reversal of 10253385 is 58335201.
It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 9308601 = 972^2 + 3051^2 .
It is not a de Polignac number, because 10253385 - 211 = 10251337 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10253389) 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 55 ways as a sum of consecutive naturals, for example, 105657 + ... + 105753.
It is an arithmetic number, because the mean of its divisors is an integer number (344295).
Almost surely, 210253385 is an apocalyptic number.
10253385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10253385 is a deficient number, since it is larger than the sum of its proper divisors (9027135).
10253385 is an frugal number, since it uses more digits than its factorization.
10253385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149 (or 134 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 10253385 is about 3202.0907232619. The cubic root of 10253385 is about 217.2479839653.
Adding to 10253385 its reverse (58335201), we get a palindrome (68588586).
The spelling of 10253385 in words is "ten million, two hundred fifty-three thousand, three hundred eighty-five".
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