Base | Representation |
---|---|
bin | 1000001000010101111101 |
3 | 11000021121222 |
4 | 20020111331 |
5 | 1021200300 |
6 | 113403125 |
7 | 24054530 |
oct | 10102575 |
9 | 4007558 |
10 | 2131325 |
11 | 1226329 |
12 | 8694a5 |
13 | 598151 |
14 | 3d6a17 |
15 | 2c1785 |
hex | 20857d |
2131325 has 24 divisors (see below), whose sum is σ = 3184320. Its totient is φ = 1382400.
The previous prime is 2131321. The next prime is 2131361. The reversal of 2131325 is 5231312.
It is not a de Polignac number, because 2131325 - 22 = 2131321 is a prime.
It is a d-powerful number, because it can be written as 29 + 1 + 33 + 1 + 311 + 29 + 59 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3005 + ... + 3645.
It is an arithmetic number, because the mean of its divisors is an integer number (132680).
22131325 is an apocalyptic number.
2131325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2131325 is a deficient number, since it is larger than the sum of its proper divisors (1052995).
2131325 is a wasteful number, since it uses less digits than its factorization.
2131325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 677 (or 672 counting only the distinct ones).
The product of its digits is 180, while the sum is 17.
The square root of 2131325 is about 1459.9058188801. The cubic root of 2131325 is about 128.6915089203.
Adding to 2131325 its reverse (5231312), we get a palindrome (7362637).
The spelling of 2131325 in words is "two million, one hundred thirty-one thousand, three hundred twenty-five".
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