Search a number
-
+
50254487 = 194361511
BaseRepresentation
bin1011111110110…
…1001010010111
310111120012012022
42333231022113
5100331120422
64553043355
71150104353
oct277551227
9114505168
1050254487
1126404a38
12149b655b
13a5471aa
146962463
15462a342
hex2fed297

50254487 has 8 divisors (see below), whose sum is σ = 54130560. Its totient is φ = 46501560.

The previous prime is 50254459. The next prime is 50254537. The reversal of 50254487 is 78445205.

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 50254487 - 212 = 50250391 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 (50254447) 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 7 ways as a sum of consecutive naturals, for example, 29939 + ... + 31572.

It is an arithmetic number, because the mean of its divisors is an integer number (6766320).

Almost surely, 250254487 is an apocalyptic number.

50254487 is a deficient number, since it is larger than the sum of its proper divisors (3876073).

50254487 is a wasteful number, since it uses less digits than its factorization.

50254487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61573.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 50254487 is about 7089.0399208920. The cubic root of 50254487 is about 369.0271178627.

The spelling of 50254487 in words is "fifty million, two hundred fifty-four thousand, four hundred eighty-seven".

Divisors: 1 19 43 817 61511 1168709 2644973 50254487