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40125055 = 519422369
BaseRepresentation
bin1001100100010…
…0001001111111
32210111120020011
42121010021333
540233000210
63552004051
7665025445
oct231041177
983446204
1040125055
1120716603
1211530627
13840b749
145486b95
1537c8d8a
hex264427f

40125055 has 8 divisors (see below), whose sum is σ = 50684400. Its totient is φ = 30410496.

The previous prime is 40125053. The next prime is 40125091. The reversal of 40125055 is 55052104.

40125055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40125055 - 21 = 40125053 is a prime.

It is a super-2 number, since 2×401250552 = 3220040077506050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125053) 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 7 ways as a sum of consecutive naturals, for example, 211090 + ... + 211279.

It is an arithmetic number, because the mean of its divisors is an integer number (6335550).

Almost surely, 240125055 is an apocalyptic number.

40125055 is a deficient number, since it is larger than the sum of its proper divisors (10559345).

40125055 is a wasteful number, since it uses less digits than its factorization.

40125055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422393.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 40125055 is about 6334.4340710122. The cubic root of 40125055 is about 342.3512203006.

Adding to 40125055 its reverse (55052104), we get a palindrome (95177159).

The spelling of 40125055 in words is "forty million, one hundred twenty-five thousand, fifty-five".

Divisors: 1 5 19 95 422369 2111845 8025011 40125055