Base | Representation |
---|---|
bin | 11110001011001… |
… | …11010110000011 |
3 | 122122022100020110 |
4 | 33011213112003 |
5 | 1004300130430 |
6 | 41041242403 |
7 | 6162366450 |
oct | 1705472603 |
9 | 578270213 |
10 | 253130115 |
11 | 11a981447 |
12 | 70933403 |
13 | 4059a344 |
14 | 25892827 |
15 | 173517b0 |
hex | f167583 |
253130115 has 32 divisors (see below), whose sum is σ = 465302016. Its totient is φ = 115107840.
The previous prime is 253130107. The next prime is 253130117. The reversal of 253130115 is 511031352.
It is not a de Polignac number, because 253130115 - 23 = 253130107 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 253130091 and 253130100.
It is not an unprimeable number, because it can be changed into a prime (253130117) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14020 + ... + 26510.
It is an arithmetic number, because the mean of its divisors is an integer number (14540688).
Almost surely, 2253130115 is an apocalyptic number.
253130115 is a deficient number, since it is larger than the sum of its proper divisors (212171901).
253130115 is a wasteful number, since it uses less digits than its factorization.
253130115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12699.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 253130115 is about 15910.0633248268. The cubic root of 253130115 is about 632.5787598445.
Adding to 253130115 its reverse (511031352), we get a palindrome (764161467).
The spelling of 253130115 in words is "two hundred fifty-three million, one hundred thirty thousand, one hundred fifteen".
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