Base | Representation |
---|---|
bin | 1010011000001… |
… | …01010011101101 |
3 | 20001210210000112 |
4 | 11030011103231 |
5 | 134241203144 |
6 | 12345505405 |
7 | 2104641302 |
oct | 514052355 |
9 | 201723015 |
10 | 87053549 |
11 | 45159690 |
12 | 251a2265 |
13 | 1505ca9b |
14 | b7c10a9 |
15 | 799899e |
hex | 53054ed |
87053549 has 16 divisors (see below), whose sum is σ = 103804416. Its totient is φ = 72076800.
The previous prime is 87053531. The next prime is 87053557. The reversal of 87053549 is 94535078.
It is a cyclic number.
It is not a de Polignac number, because 87053549 - 212 = 87049453 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 (87053509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712 + ... + 13305.
It is an arithmetic number, because the mean of its divisors is an integer number (6487776).
Almost surely, 287053549 is an apocalyptic number.
It is an amenable number.
87053549 is a deficient number, since it is larger than the sum of its proper divisors (16750867).
87053549 is a wasteful number, since it uses less digits than its factorization.
87053549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15076.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 87053549 is about 9330.2491392245. The cubic root of 87053549 is about 443.1956546995.
The spelling of 87053549 in words is "eighty-seven million, fifty-three thousand, five hundred forty-nine".
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