Base | Representation |
---|---|
bin | 1000100000110010000001 |
3 | 11012100221101 |
4 | 20200302001 |
5 | 1032401200 |
6 | 115454401 |
7 | 24652420 |
oct | 10406201 |
9 | 4170841 |
10 | 2231425 |
11 | 1294559 |
12 | 8b7401 |
13 | 601891 |
14 | 4212b7 |
15 | 2e126a |
hex | 220c81 |
2231425 has 24 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 1488000.
The previous prime is 2231423. The next prime is 2231429. The reversal of 2231425 is 5241322.
It is not a de Polignac number, because 2231425 - 21 = 2231423 is a prime.
It is a super-3 number, since 3×22314253 = 33332519205824671875, which contains 333 as substring.
It is a d-powerful number, because it can be written as 211 + 217 + 3 + 1 + 45 + 221 + 53 .
It is not an unprimeable number, because it can be changed into a prime (2231423) 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, 7020 + ... + 7330.
It is an arithmetic number, because the mean of its divisors is an integer number (135408).
22231425 is an apocalyptic number.
2231425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2231425 is a deficient number, since it is larger than the sum of its proper divisors (1018367).
2231425 is a wasteful number, since it uses less digits than its factorization.
2231425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369 (or 364 counting only the distinct ones).
The product of its digits is 480, while the sum is 19.
The square root of 2231425 is about 1493.7955013990. The cubic root of 2231425 is about 130.6754782283.
Adding to 2231425 its reverse (5241322), we get a palindrome (7472747).
The spelling of 2231425 in words is "two million, two hundred thirty-one thousand, four hundred twenty-five".
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