Search a number
-
+
41439025 = 521657561
BaseRepresentation
bin1001111000010…
…0111100110001
32212222022122201
42132010330301
541102022100
64040103201
71012140325
oct236047461
985868581
1041439025
1121433831
1211a64b01
13877b844
145709985
15398836a
hex2784f31

41439025 has 6 divisors (see below), whose sum is σ = 51384422. Its totient is φ = 33151200.

The previous prime is 41439017. The next prime is 41439029. The reversal of 41439025 is 52093414.

41439025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 389376 + 41049649 = 624^2 + 6407^2 .

It is not a de Polignac number, because 41439025 - 23 = 41439017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41438984 and 41439002.

It is not an unprimeable number, because it can be changed into a prime (41439029) 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 5 ways as a sum of consecutive naturals, for example, 828756 + ... + 828805.

Almost surely, 241439025 is an apocalyptic number.

It is an amenable number.

41439025 is a deficient number, since it is larger than the sum of its proper divisors (9945397).

41439025 is a wasteful number, since it uses less digits than its factorization.

41439025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657571 (or 1657566 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 41439025 is about 6437.3150458868. The cubic root of 41439025 is about 346.0481322328.

The spelling of 41439025 in words is "forty-one million, four hundred thirty-nine thousand, twenty-five".

Divisors: 1 5 25 1657561 8287805 41439025