Search a number
-
+
40741457 is a prime number
BaseRepresentation
bin1001101101101…
…0101001010001
32211122212202212
42123122221101
540412211312
64013121505
71003203521
oct233325121
984585685
1040741457
1120aa7729
1211789295
138596193
1455a7681
15389b822
hex26daa51

40741457 has 2 divisors, whose sum is σ = 40741458. Its totient is φ = 40741456.

The previous prime is 40741451. The next prime is 40741501. The reversal of 40741457 is 75414704.

40741457 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 can be written as a sum of positive squares in only one way, i.e., 39450961 + 1290496 = 6281^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 40741457 - 214 = 40725073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40741451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370728 + 20370729.

It is an arithmetic number, because the mean of its divisors is an integer number (20370729).

Almost surely, 240741457 is an apocalyptic number.

It is an amenable number.

40741457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40741457 is an equidigital number, since it uses as much as digits as its factorization.

40741457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 40741457 is about 6382.9034929255. The cubic root of 40741457 is about 344.0953882984.

The spelling of 40741457 in words is "forty million, seven hundred forty-one thousand, four hundred fifty-seven".