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50040029 = 133849233
BaseRepresentation
bin1011111011100…
…0110011011101
310111011022000102
42332320303131
5100302240104
64544310445
71145222204
oct276706335
9114138012
1050040029
11262788a6
1214912425
13a4a06b0
14690823b
1545d6a1e
hex2fb8cdd

50040029 has 4 divisors (see below), whose sum is σ = 53889276. Its totient is φ = 46190784.

The previous prime is 50040017. The next prime is 50040059. The reversal of 50040029 is 92004005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92004005 = 518400801.

It can be written as a sum of positive squares in 2 ways, for example, as 27931225 + 22108804 = 5285^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 50040029 - 24 = 50040013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924604 + ... + 1924629.

It is an arithmetic number, because the mean of its divisors is an integer number (13472319).

Almost surely, 250040029 is an apocalyptic number.

It is an amenable number.

50040029 is a deficient number, since it is larger than the sum of its proper divisors (3849247).

50040029 is a wasteful number, since it uses less digits than its factorization.

50040029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849246.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 50040029 is about 7073.8977233206. The cubic root of 50040029 is about 368.5014357047.

The spelling of 50040029 in words is "fifty million, forty thousand, twenty-nine".

Divisors: 1 13 3849233 50040029