Base | Representation |
---|---|
bin | 1010011010101… |
… | …11110001111001 |
3 | 20002102221101210 |
4 | 11031113301321 |
5 | 134333010403 |
6 | 12401033333 |
7 | 2110546200 |
oct | 515276171 |
9 | 202387353 |
10 | 87391353 |
11 | 4536a465 |
12 | 25325849 |
13 | 1514a77a |
14 | b86c237 |
15 | 7a13b03 |
hex | 5357c79 |
87391353 has 12 divisors (see below), whose sum is σ = 135546000. Its totient is φ = 49937832.
The previous prime is 87391327. The next prime is 87391357. The reversal of 87391353 is 35319378.
It is not a de Polignac number, because 87391353 - 25 = 87391321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87391357) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297103 + ... + 297396.
It is an arithmetic number, because the mean of its divisors is an integer number (11295500).
Almost surely, 287391353 is an apocalyptic number.
It is an amenable number.
87391353 is a deficient number, since it is larger than the sum of its proper divisors (48154647).
87391353 is a wasteful number, since it uses less digits than its factorization.
87391353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 594516 (or 594509 counting only the distinct ones).
The product of its digits is 68040, while the sum is 39.
The square root of 87391353 is about 9348.3342366434. The cubic root of 87391353 is about 443.7681759929.
The spelling of 87391353 in words is "eighty-seven million, three hundred ninety-one thousand, three hundred fifty-three".
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