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50028078 = 2353157321
BaseRepresentation
bin1011111011010…
…1111000101110
310111010200121210
42332311320232
5100301344303
64544135250
71145142312
oct276657056
9114120553
1050028078
112626a921
1214907526
13a498119
146903b42
1545d3203
hex2fb5e2e

50028078 has 16 divisors (see below), whose sum is σ = 101944656. Its totient is φ = 16361280.

The previous prime is 50028071. The next prime is 50028089. The reversal of 50028078 is 87082005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50028071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78343 + ... + 78978.

It is an arithmetic number, because the mean of its divisors is an integer number (6371541).

Almost surely, 250028078 is an apocalyptic number.

50028078 is an abundant number, since it is smaller than the sum of its proper divisors (51916578).

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

50028078 is a wasteful number, since it uses less digits than its factorization.

50028078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157379.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 50028078 is about 7073.0529476316. The cubic root of 50028078 is about 368.4720971173.

The spelling of 50028078 in words is "fifty million, twenty-eight thousand, seventy-eight".

Divisors: 1 2 3 6 53 106 159 318 157321 314642 471963 943926 8338013 16676026 25014039 50028078