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50428 = 2271801
BaseRepresentation
bin1100010011111100
32120011201
430103330
53103203
61025244
7300010
oct142374
976151
1050428
1134984
1225224
1319c51
1414540
15ee1d
hexc4fc

50428 has 12 divisors (see below), whose sum is σ = 100912. Its totient is φ = 21600.

The previous prime is 50423. The next prime is 50441. The reversal of 50428 is 82405.

It can be divided in two parts, 5042 and 8, that added together give a triangular number (5050 = T100).

It is a happy number.

50428 is an admirable number.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 873 + ... + 928.

250428 is an apocalyptic number.

It is an amenable number.

50428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (50456).

50428 is a wasteful number, since it uses less digits than its factorization.

50428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 50428 is about 224.5617955040. The cubic root of 50428 is about 36.9451341676.

The spelling of 50428 in words is "fifty thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 1801 3602 7204 12607 25214 50428