Base | Representation |
---|---|
bin | 1100101111010… |
… | …11111101101111 |
3 | 21110002200202200 |
4 | 12113223331233 |
5 | 204324411222 |
6 | 14334352543 |
7 | 2435255115 |
oct | 627537557 |
9 | 243080680 |
10 | 106872687 |
11 | 55366039 |
12 | 2b95b753 |
13 | 191aba9c |
14 | 1029dab5 |
15 | 95b0eac |
hex | 65ebf6f |
106872687 has 12 divisors (see below), whose sum is σ = 158544360. Its totient is φ = 69322608.
The previous prime is 106872683. The next prime is 106872719. The reversal of 106872687 is 786278601.
It is not a de Polignac number, because 106872687 - 22 = 106872683 is a prime.
It is a super-2 number, since 2×1068726872 = 22843542453199938, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106872683) 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, 160137 + ... + 160802.
It is an arithmetic number, because the mean of its divisors is an integer number (13212030).
Almost surely, 2106872687 is an apocalyptic number.
106872687 is a deficient number, since it is larger than the sum of its proper divisors (51671673).
106872687 is a wasteful number, since it uses less digits than its factorization.
106872687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320982 (or 320979 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 106872687 is about 10337.9246950246. The cubic root of 106872687 is about 474.5575743771.
The spelling of 106872687 in words is "one hundred six million, eight hundred seventy-two thousand, six hundred eighty-seven".
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