Search a number
-
+
50478877 = 192656783
BaseRepresentation
bin1100000010001…
…1111100011101
310111222121000001
43000203330131
5100410311002
65001534301
71152030511
oct300437435
9114877001
1050478877
1126548589
1214aa4391
13a5c5377
1469c0141
154671a87
hex3023f1d

50478877 has 4 divisors (see below), whose sum is σ = 53135680. Its totient is φ = 47822076.

The previous prime is 50478871. The next prime is 50478887. The reversal of 50478877 is 77887405.

50478877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50478877 is a prime.

It is a super-2 number, since 2×504788772 = 5096234046362258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328373 + ... + 1328410.

It is an arithmetic number, because the mean of its divisors is an integer number (13283920).

Almost surely, 250478877 is an apocalyptic number.

It is an amenable number.

50478877 is a deficient number, since it is larger than the sum of its proper divisors (2656803).

50478877 is a wasteful number, since it uses less digits than its factorization.

50478877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656802.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 50478877 is about 7104.8488372378. The cubic root of 50478877 is about 369.5755468672.

It can be divided in two parts, 5047 and 8877, that added together give a square (13924 = 1182).

The spelling of 50478877 in words is "fifty million, four hundred seventy-eight thousand, eight hundred seventy-seven".

Divisors: 1 19 2656783 50478877