Base | Representation |
---|---|
bin | 1011111100001… |
… | …0110100111111 |
3 | 10111020101100002 |
4 | 2333002310333 |
5 | 100310043322 |
6 | 4545224515 |
7 | 1145453000 |
oct | 277026477 |
9 | 114211302 |
10 | 50081087 |
11 | 262a6731 |
12 | 1493213b |
13 | a4b62a4 |
14 | 69191a7 |
15 | 45e3c92 |
hex | 2fc2d3f |
50081087 has 8 divisors (see below), whose sum is σ = 58404000. Its totient is φ = 42926352.
The previous prime is 50081081. The next prime is 50081107. The reversal of 50081087 is 78018005.
It is a happy number.
It is not a de Polignac number, because 50081087 - 28 = 50080831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50081081) 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, 72662 + ... + 73347.
It is an arithmetic number, because the mean of its divisors is an integer number (7300500).
Almost surely, 250081087 is an apocalyptic number.
50081087 is a deficient number, since it is larger than the sum of its proper divisors (8322913).
50081087 is an equidigital number, since it uses as much as digits as its factorization.
50081087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146030 (or 146016 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 29.
The square root of 50081087 is about 7076.7992058557. The cubic root of 50081087 is about 368.6021936784.
The spelling of 50081087 in words is "fifty million, eighty-one thousand, eighty-seven".
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