Search a number
-
+
50396789 = 1714831999
BaseRepresentation
bin1100000000111…
…1111001110101
310111211102101202
43000033321311
5100400144124
65000102245
71151236262
oct300177165
9114742352
1050396789
11264a1943
1214a64985
13a596bb1
14699c269
1546575ae
hex300fe75

50396789 has 8 divisors (see below), whose sum is σ = 53424000. Its totient is φ = 47376576.

The previous prime is 50396783. The next prime is 50396821. The reversal of 50396789 is 98769305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50396789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50396783) 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, 24212 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (6678000).

Almost surely, 250396789 is an apocalyptic number.

It is an amenable number.

50396789 is a deficient number, since it is larger than the sum of its proper divisors (3027211).

50396789 is a wasteful number, since it uses less digits than its factorization.

50396789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 50396789 is about 7099.0695869248. The cubic root of 50396789 is about 369.3751054213.

The spelling of 50396789 in words is "fifty million, three hundred ninety-six thousand, seven hundred eighty-nine".

Divisors: 1 17 1483 1999 25211 33983 2964517 50396789