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50440820 = 22519132739
BaseRepresentation
bin1100000001101…
…0101001110100
310111220122210112
43000122221310
5100403101240
65001042152
71151511533
oct300325164
9114818715
1050440820
1126521a31
1214a86358
13a5b0c51
1469b031a
154665665
hex301aa74

50440820 has 24 divisors (see below), whose sum is σ = 111501600. Its totient is φ = 19114272.

The previous prime is 50440807. The next prime is 50440861. The reversal of 50440820 is 2804405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65990 + ... + 66749.

It is an arithmetic number, because the mean of its divisors is an integer number (4645900).

Almost surely, 250440820 is an apocalyptic number.

It is an amenable number.

50440820 is an abundant number, since it is smaller than the sum of its proper divisors (61060780).

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

50440820 is a wasteful number, since it uses less digits than its factorization.

50440820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132767 (or 132765 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 50440820 is about 7102.1700908948. The cubic root of 50440820 is about 369.4826468034.

The spelling of 50440820 in words is "fifty million, four hundred forty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 132739 265478 530956 663695 1327390 2522041 2654780 5044082 10088164 12610205 25220410 50440820