Base | Representation |
---|---|
bin | 1100011010010… |
… | …0110101011011 |
3 | 10121221200120022 |
4 | 3012210311123 |
5 | 101311233022 |
6 | 5055421055 |
7 | 1201314656 |
oct | 306446533 |
9 | 117850508 |
10 | 52055387 |
11 | 27424a8a |
12 | 1552478b |
13 | aa27b07 |
14 | 6cb089d |
15 | 4883c42 |
hex | 31a4d5b |
52055387 has 8 divisors (see below), whose sum is σ = 53060592. Its totient is φ = 51055200.
The previous prime is 52055357. The next prime is 52055389. The reversal of 52055387 is 78355025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52055387 - 212 = 52051291 is a prime.
It is a super-3 number, since 3×520553873 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52055389) 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, 24668 + ... + 26694.
It is an arithmetic number, because the mean of its divisors is an integer number (6632574).
Almost surely, 252055387 is an apocalyptic number.
52055387 is a deficient number, since it is larger than the sum of its proper divisors (1005205).
52055387 is a wasteful number, since it uses less digits than its factorization.
52055387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2509.
The product of its (nonzero) digits is 42000, while the sum is 35.
The square root of 52055387 is about 7214.9419263082. The cubic root of 52055387 is about 373.3835895532.
The spelling of 52055387 in words is "fifty-two million, fifty-five thousand, three hundred eighty-seven".
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