Base | Representation |
---|---|
bin | 1100011111010… |
… | …1110010101011 |
3 | 10122120112102210 |
4 | 3013311302223 |
5 | 101402340422 |
6 | 5110500203 |
7 | 1204165512 |
oct | 307656253 |
9 | 118515383 |
10 | 52386987 |
11 | 27631134 |
12 | 15664663 |
13 | ab12a23 |
14 | 6d59679 |
15 | 48ec10c |
hex | 31f5cab |
52386987 has 8 divisors (see below), whose sum is σ = 70057936. Its totient is φ = 34820352.
The previous prime is 52386977. The next prime is 52386991. The reversal of 52386987 is 78968325.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52386987 - 26 = 52386923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52386967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24898 + ... + 26919.
It is an arithmetic number, because the mean of its divisors is an integer number (8757242).
Almost surely, 252386987 is an apocalyptic number.
52386987 is a deficient number, since it is larger than the sum of its proper divisors (17670949).
52386987 is a wasteful number, since it uses less digits than its factorization.
52386987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52157.
The product of its digits is 725760, while the sum is 48.
The square root of 52386987 is about 7237.8855337730. The cubic root of 52386987 is about 374.1747469966.
The spelling of 52386987 in words is "fifty-two million, three hundred eighty-six thousand, nine hundred eighty-seven".
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