Search a number
-
+
2126447 is a prime number
BaseRepresentation
bin1000000111001001101111
311000000221022
420013021233
51021021242
6113324355
724034361
oct10071157
94000838
102126447
1112226a4
128666bb
13595b6b
143d4d31
152c00d2
hex20726f

2126447 has 2 divisors, whose sum is σ = 2126448. Its totient is φ = 2126446.

The previous prime is 2126441. The next prime is 2126459. The reversal of 2126447 is 7446212.

2126447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126447 - 24 = 2126431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126441) 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 as a sum of consecutive naturals, namely, 1063223 + 1063224.

It is an arithmetic number, because the mean of its divisors is an integer number (1063224).

22126447 is an apocalyptic number.

2126447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126447 is an equidigital number, since it uses as much as digits as its factorization.

2126447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 2126447 is about 1458.2342061548. The cubic root of 2126447 is about 128.5932544370.

The spelling of 2126447 in words is "two million, one hundred twenty-six thousand, four hundred forty-seven".