Search a number
-
+
40485061 is a prime number
BaseRepresentation
bin1001101001110…
…0000011000101
32211011212001201
42122130003011
540331010221
64003422501
71001055151
oct232340305
984155051
1040485061
1120942031
1211684a31
138506576
14553c061
15384a891
hex269c0c5

40485061 has 2 divisors, whose sum is σ = 40485062. Its totient is φ = 40485060.

The previous prime is 40485017. The next prime is 40485089. The reversal of 40485061 is 16058404.

It is an a-pointer prime, because the next prime (40485089) can be obtained adding 40485061 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40132225 + 352836 = 6335^2 + 594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40485061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40485161) 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, 20242530 + 20242531.

It is an arithmetic number, because the mean of its divisors is an integer number (20242531).

Almost surely, 240485061 is an apocalyptic number.

It is an amenable number.

40485061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485061 is an equidigital number, since it uses as much as digits as its factorization.

40485061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40485061 is about 6362.7872037339. The cubic root of 40485061 is about 343.3720431632.

The spelling of 40485061 in words is "forty million, four hundred eighty-five thousand, sixty-one".