Base | Representation |
---|---|
bin | 1100111100101… |
… | …11101110110100 |
3 | 21120101201020111 |
4 | 12132113232310 |
5 | 210301443240 |
6 | 14440112404 |
7 | 2456203303 |
oct | 636275664 |
9 | 246351214 |
10 | 108624820 |
11 | 56352487 |
12 | 30465704 |
13 | 19673455 |
14 | 105d843a |
15 | 980a1ea |
hex | 6797bb4 |
108624820 has 12 divisors (see below), whose sum is σ = 228112164. Its totient is φ = 43449920.
The previous prime is 108624809. The next prime is 108624821. The reversal of 108624820 is 28426801.
It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 30514576 = 8838^2 + 5524^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108624821) 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 3 ways as a sum of consecutive naturals, for example, 2715601 + ... + 2715640.
It is an arithmetic number, because the mean of its divisors is an integer number (19009347).
Almost surely, 2108624820 is an apocalyptic number.
108624820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108624820 is an abundant number, since it is smaller than the sum of its proper divisors (119487344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108624820 is a wasteful number, since it uses less digits than its factorization.
108624820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5431250 (or 5431248 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
The square root of 108624820 is about 10422.3231575307. The cubic root of 108624820 is about 477.1369205246.
The spelling of 108624820 in words is "one hundred eight million, six hundred twenty-four thousand, eight hundred twenty".
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