Base | Representation |
---|---|
bin | 1100110011001… |
… | …1001011111111 |
3 | 10202000120202212 |
4 | 3030303023333 |
5 | 102220441124 |
6 | 5154411035 |
7 | 1221221660 |
oct | 314631377 |
9 | 122016685 |
10 | 53687039 |
11 | 2833995a |
12 | 15b90a7b |
13 | b1796a3 |
14 | 71b7367 |
15 | 4aa740e |
hex | 33332ff |
53687039 has 8 divisors (see below), whose sum is σ = 62514720. Its totient is φ = 45148896.
The previous prime is 53686961. The next prime is 53687059. The reversal of 53687039 is 93078635.
53687039 = 2422 + 2432 + ... + 5592.
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 53687039 - 220 = 52638463 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53686987 and 53687005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53687059) 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, 71984 + ... + 72725.
It is an arithmetic number, because the mean of its divisors is an integer number (7814340).
Almost surely, 253687039 is an apocalyptic number.
53687039 is a deficient number, since it is larger than the sum of its proper divisors (8827681).
53687039 is a wasteful number, since it uses less digits than its factorization.
53687039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144769.
The product of its (nonzero) digits is 136080, while the sum is 41.
The square root of 53687039 is about 7327.1439865749. The cubic root of 53687039 is about 377.2447031956.
The spelling of 53687039 in words is "fifty-three million, six hundred eighty-seven thousand, thirty-nine".
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