Search a number
-
+
50540 = 2257192
BaseRepresentation
bin1100010101101100
32120022212
430111230
53104130
61025552
7300230
oct142554
976285
1050540
1134a76
12252b8
131a009
14145c0
15ee95
hexc56c

50540 has 36 divisors (see below), whose sum is σ = 128016. Its totient is φ = 16416.

The previous prime is 50539. The next prime is 50543. The reversal of 50540 is 4505.

50540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (50543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (3556).

250540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64008).

50540 is an abundant number, since it is smaller than the sum of its proper divisors (77476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50540 is a wasteful number, since it uses less digits than its factorization.

50540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 50540 is about 224.8110317578. The cubic root of 50540 is about 36.9724655141.

It can be divided in two parts, 505 and 40, that added together give a palindrome (545).

The spelling of 50540 in words is "fifty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 361 380 532 665 722 1330 1444 1805 2527 2660 3610 5054 7220 10108 12635 25270 50540