Base | Representation |
---|---|
bin | 1100111001100… |
… | …01101010001010 |
3 | 21112121110201200 |
4 | 12130301222022 |
5 | 210200103410 |
6 | 14423125030 |
7 | 2452512342 |
oct | 634615212 |
9 | 245543650 |
10 | 108206730 |
11 | 56097355 |
12 | 302a3776 |
13 | 19558068 |
14 | 10529d22 |
15 | 97763c0 |
hex | 6731a8a |
108206730 has 48 divisors (see below), whose sum is σ = 281965320. Its totient is φ = 28790784.
The previous prime is 108206723. The next prime is 108206731. The reversal of 108206730 is 37602801.
It can be written as a sum of positive squares in 4 ways, for example, as 29192409 + 79014321 = 5403^2 + 8889^2 .
It is a junction number, because it is equal to n+sod(n) for n = 108206694 and 108206703.
It is not an unprimeable number, because it can be changed into a prime (108206731) 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 23 ways as a sum of consecutive naturals, for example, 50154 + ... + 52266.
Almost surely, 2108206730 is an apocalyptic number.
108206730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
108206730 is an abundant number, since it is smaller than the sum of its proper divisors (173758590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108206730 is a wasteful number, since it uses less digits than its factorization.
108206730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2695 (or 2692 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 108206730 is about 10402.2463920059. The cubic root of 108206730 is about 476.5239769380.
The spelling of 108206730 in words is "one hundred eight million, two hundred six thousand, seven hundred thirty".
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