Search a number
-
+
875436049 is a prime number
BaseRepresentation
bin110100001011100…
…001100000010001
32021000021202111101
4310023201200101
53243102423144
6222511344401
730460040455
oct6413414021
92230252441
10875436049
1140a185074
12205222101
1310c4a5ac7
14843a4665
1551cc86d4
hex342e1811

875436049 has 2 divisors, whose sum is σ = 875436050. Its totient is φ = 875436048.

The previous prime is 875436047. The next prime is 875436061. The reversal of 875436049 is 940634578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761373649 + 114062400 = 27593^2 + 10680^2 .

It is a cyclic number.

It is not a de Polignac number, because 875436049 - 21 = 875436047 is a prime.

Together with 875436047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (875436047) 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, 437718024 + 437718025.

It is an arithmetic number, because the mean of its divisors is an integer number (437718025).

Almost surely, 2875436049 is an apocalyptic number.

It is an amenable number.

875436049 is a deficient number, since it is larger than the sum of its proper divisors (1).

875436049 is an equidigital number, since it uses as much as digits as its factorization.

875436049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 875436049 is about 29587.7685708132. The cubic root of 875436049 is about 956.6244472351.

The spelling of 875436049 in words is "eight hundred seventy-five million, four hundred thirty-six thousand, forty-nine".