Base | Representation |
---|---|
bin | 1100111100111… |
… | …01001001110100 |
3 | 21120102211201000 |
4 | 12132131021310 |
5 | 210303201103 |
6 | 14440403300 |
7 | 2456325120 |
oct | 636351164 |
9 | 246384630 |
10 | 108647028 |
11 | 56368136 |
12 | 30476530 |
13 | 196805a9 |
14 | 10602580 |
15 | 9811aa3 |
hex | 679d274 |
108647028 has 96 divisors (see below), whose sum is σ = 324576000. Its totient is φ = 30786048.
The previous prime is 108647003. The next prime is 108647029. The reversal of 108647028 is 820746801.
108647028 is a `hidden beast` number, since 1 + 0 + 8 + 647 + 0 + 2 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 108646983 and 108647001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108647029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103048 + ... + 104096.
It is an arithmetic number, because the mean of its divisors is an integer number (3381000).
Almost surely, 2108647028 is an apocalyptic number.
108647028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108647028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162288000).
108647028 is an abundant number, since it is smaller than the sum of its proper divisors (215928972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108647028 is a wasteful number, since it uses less digits than its factorization.
108647028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1206 (or 1198 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 108647028 is about 10423.3885085417. The cubic root of 108647028 is about 477.1694346857.
The spelling of 108647028 in words is "one hundred eight million, six hundred forty-seven thousand, twenty-eight".
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