Base | Representation |
---|---|
bin | 1011111100010… |
… | …0000001100011 |
3 | 10111020122001120 |
4 | 2333010001203 |
5 | 100310222422 |
6 | 4545303323 |
7 | 1145503200 |
oct | 277040143 |
9 | 114218046 |
10 | 50085987 |
11 | 262aa386 |
12 | 14934b43 |
13 | a4b85a3 |
14 | 691aca7 |
15 | 45e545c |
hex | 2fc4063 |
50085987 has 48 divisors (see below), whose sum is σ = 83174400. Its totient is φ = 26671680.
The previous prime is 50085979. The next prime is 50085989. The reversal of 50085987 is 78958005.
It is not a de Polignac number, because 50085987 - 23 = 50085979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (50085989) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131964 + ... + 132342.
It is an arithmetic number, because the mean of its divisors is an integer number (1732800).
Almost surely, 250085987 is an apocalyptic number.
50085987 is a deficient number, since it is larger than the sum of its proper divisors (33088413).
50085987 is a wasteful number, since it uses less digits than its factorization.
50085987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456 (or 449 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 42.
The square root of 50085987 is about 7077.1453990998. The cubic root of 50085987 is about 368.6142147956.
The spelling of 50085987 in words is "fifty million, eighty-five thousand, nine hundred eighty-seven".
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