Base | Representation |
---|---|
bin | 1001010110001111001101 |
3 | 11121111021212 |
4 | 21112033031 |
5 | 1111403011 |
6 | 124304205 |
7 | 26553653 |
oct | 11261715 |
9 | 4544255 |
10 | 2450381 |
11 | 142400a |
12 | 9a2065 |
13 | 67a43b |
14 | 47add3 |
15 | 33608b |
hex | 2563cd |
2450381 has 2 divisors, whose sum is σ = 2450382. Its totient is φ = 2450380.
The previous prime is 2450377. The next prime is 2450387. The reversal of 2450381 is 1830542.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2449225 + 1156 = 1565^2 + 34^2 .
It is a cyclic number.
It is not a de Polignac number, because 2450381 - 22 = 2450377 is a prime.
It is a super-2 number, since 2×24503812 = 12008734090322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2450387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225190 + 1225191.
It is an arithmetic number, because the mean of its divisors is an integer number (1225191).
22450381 is an apocalyptic number.
It is an amenable number.
2450381 is a deficient number, since it is larger than the sum of its proper divisors (1).
2450381 is an equidigital number, since it uses as much as digits as its factorization.
2450381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 2450381 is about 1565.3692855042. The cubic root of 2450381 is about 134.8169627355.
It can be divided in two parts, 24 and 50381, that added together give a palindrome (50405).
The spelling of 2450381 in words is "two million, four hundred fifty thousand, three hundred eighty-one".
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