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50040442 = 279731393
BaseRepresentation
bin1011111011100…
…0111001111010
310111011022120201
42332320321322
5100302243232
64544312414
71145223334
oct276707172
9114138521
1050040442
1126279141
121491270a
13a4a093a
146908454
1545d6be7
hex2fb8e7a

50040442 has 8 divisors (see below), whose sum is σ = 75157236. Its totient is φ = 24988032.

The previous prime is 50040379. The next prime is 50040443. The reversal of 50040442 is 24404005.

It can be written as a sum of positive squares in 2 ways, for example, as 44475561 + 5564881 = 6669^2 + 2359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (50040443) 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, 14103 + ... + 17290.

Almost surely, 250040442 is an apocalyptic number.

50040442 is a deficient number, since it is larger than the sum of its proper divisors (25116794).

50040442 is a wasteful number, since it uses less digits than its factorization.

50040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32192.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 50040442 is about 7073.9269150875. The cubic root of 50040442 is about 368.5024494976.

Adding to 50040442 its reverse (24404005), we get a palindrome (74444447).

The spelling of 50040442 in words is "fifty million, forty thousand, four hundred forty-two".

Divisors: 1 2 797 1594 31393 62786 25020221 50040442