Base | Representation |
---|---|
bin | 1000100111000011101011 |
3 | 11020200012110 |
4 | 20213003223 |
5 | 1034212011 |
6 | 120213403 |
7 | 25120362 |
oct | 10470353 |
9 | 4220173 |
10 | 2257131 |
11 | 13018a8 |
12 | 90a263 |
13 | 6104a6 |
14 | 42a7d9 |
15 | 2e8ba6 |
hex | 2270eb |
2257131 has 8 divisors (see below), whose sum is σ = 3027600. Its totient is φ = 1495712.
The previous prime is 2257121. The next prime is 2257139. The reversal of 2257131 is 1317522.
2257131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2257131 - 29 = 2256619 is a prime.
It is a super-2 number, since 2×22571312 = 10189280702322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2257098 and 2257107.
It is not an unprimeable number, because it can be changed into a prime (2257139) 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 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 2693.
It is an arithmetic number, because the mean of its divisors is an integer number (378450).
22257131 is an apocalyptic number.
2257131 is a deficient number, since it is larger than the sum of its proper divisors (770469).
2257131 is a wasteful number, since it uses less digits than its factorization.
2257131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4525.
The product of its digits is 420, while the sum is 21.
The square root of 2257131 is about 1502.3751196023. The cubic root of 2257131 is about 131.1753571045.
The spelling of 2257131 in words is "two million, two hundred fifty-seven thousand, one hundred thirty-one".
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