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50420 = 2252521
BaseRepresentation
bin1100010011110100
32120011102
430103310
53103140
61025232
7266666
oct142364
976142
1050420
1134977
1225218
1319c46
1414536
15ee15
hexc4f4

50420 has 12 divisors (see below), whose sum is σ = 105924. Its totient is φ = 20160.

The previous prime is 50417. The next prime is 50423. The reversal of 50420 is 2405.

Adding to 50420 its reverse (2405), we get a palindrome (52825).

50420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50417) and next prime (50423).

It can be written as a sum of positive squares in 2 ways, for example, as 5476 + 44944 = 74^2 + 212^2 .

It is a plaindrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50420.

It is not an unprimeable number, because it can be changed into a prime (50423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (8827).

250420 is an apocalyptic number.

It is an amenable number.

50420 is an abundant number, since it is smaller than the sum of its proper divisors (55504).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52962).

50420 is a wasteful number, since it uses less digits than its factorization.

50420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 50420 is about 224.5439823286. The cubic root of 50420 is about 36.9431803807.

The spelling of 50420 in words is "fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2521 5042 10084 12605 25210 50420