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50150143 = 236133557
BaseRepresentation
bin1011111101001…
…1101011111111
310111100220001201
42333103223333
5100314301033
64550520331
71146161221
oct277235377
9114326051
1050150143
11263435aa
12149660a7
13a50b854
146936411
15460947d
hex2fd3aff

50150143 has 8 divisors (see below), whose sum is σ = 52430688. Its totient is φ = 47877984.

The previous prime is 50150131. The next prime is 50150167. The reversal of 50150143 is 34105105.

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 50150143 - 213 = 50141951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50150143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50150123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12321 + ... + 15877.

It is an arithmetic number, because the mean of its divisors is an integer number (6553836).

Almost surely, 250150143 is an apocalyptic number.

50150143 is a deficient number, since it is larger than the sum of its proper divisors (2280545).

50150143 is a wasteful number, since it uses less digits than its factorization.

50150143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 50150143 is about 7081.6765670285. The cubic root of 50150143 is about 368.7715357335.

Adding to 50150143 its reverse (34105105), we get a palindrome (84255248).

The spelling of 50150143 in words is "fifty million, one hundred fifty thousand, one hundred forty-three".

Divisors: 1 23 613 3557 14099 81811 2180441 50150143