Search a number
-
+
50364289 = 371361197
BaseRepresentation
bin1100000000011…
…1111110000001
310111202202211001
43000013332001
5100343124124
64555252001
71151042443
oct300077601
9114682731
1050364289
112647a488
1214a4a001
13a585171
146990493
15464cb44
hex3007f81

50364289 has 4 divisors (see below), whose sum is σ = 51725524. Its totient is φ = 49003056.

The previous prime is 50364283. The next prime is 50364311. The reversal of 50364289 is 98246305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98246305 = 519649261.

It can be written as a sum of positive squares in 2 ways, for example, as 38688400 + 11675889 = 6220^2 + 3417^2 .

It is a cyclic number.

It is not a de Polignac number, because 50364289 - 217 = 50233217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1361197 = 50364289 / (5 + 0 + 3 + 6 + 4 + 2 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50364283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680562 + ... + 680635.

It is an arithmetic number, because the mean of its divisors is an integer number (12931381).

Almost surely, 250364289 is an apocalyptic number.

It is an amenable number.

50364289 is a deficient number, since it is larger than the sum of its proper divisors (1361235).

50364289 is a wasteful number, since it uses less digits than its factorization.

50364289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361234.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 50364289 is about 7096.7801854080. The cubic root of 50364289 is about 369.2956871844.

It can be divided in two parts, 50364 and 289, that added together give a cube (50653 = 373).

The spelling of 50364289 in words is "fifty million, three hundred sixty-four thousand, two hundred eighty-nine".

Divisors: 1 37 1361197 50364289