Search a number
-
+
40458841 = 41986801
BaseRepresentation
bin1001101001010…
…1101001011001
32211010112002121
42122111221121
540324140331
64003101241
71000615543
oct232255131
984115077
1040458841
1120924365
1211671821
1384c7657
145532693
153842c11
hex2695a59

40458841 has 4 divisors (see below), whose sum is σ = 41445684. Its totient is φ = 39472000.

The previous prime is 40458811. The next prime is 40458877. The reversal of 40458841 is 14885404.

40458841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17139600 + 23319241 = 4140^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 40458841 - 27 = 40458713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40458797 and 40458806.

It is not an unprimeable number, because it can be changed into a prime (40458811) 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 in 3 ways as a sum of consecutive naturals, for example, 493360 + ... + 493441.

It is an arithmetic number, because the mean of its divisors is an integer number (10361421).

Almost surely, 240458841 is an apocalyptic number.

40458841 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40458841 is a deficient number, since it is larger than the sum of its proper divisors (986843).

40458841 is an equidigital number, since it uses as much as digits as its factorization.

40458841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986842.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 40458841 is about 6360.7264522223. The cubic root of 40458841 is about 343.2978992767.

The spelling of 40458841 in words is "forty million, four hundred fifty-eight thousand, eight hundred forty-one".

Divisors: 1 41 986801 40458841