Base | Representation |
---|---|
bin | 1100111110011… |
… | …11111101101000 |
3 | 21120211102012000 |
4 | 12133033331220 |
5 | 210331331034 |
6 | 14445051000 |
7 | 2461152636 |
oct | 637177550 |
9 | 246742160 |
10 | 108855144 |
11 | 5649a532 |
12 | 30556a60 |
13 | 19724238 |
14 | 10658356 |
15 | 9853599 |
hex | 67cff68 |
108855144 has 32 divisors (see below), whose sum is σ = 302376000. Its totient is φ = 36284976.
The previous prime is 108855143. The next prime is 108855157. The reversal of 108855144 is 441558801.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 = 108855099 and 108855108.
It is not an unprimeable number, because it can be changed into a prime (108855143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251764 + ... + 252195.
It is an arithmetic number, because the mean of its divisors is an integer number (9449250).
Almost surely, 2108855144 is an apocalyptic number.
It is an amenable number.
108855144 is an abundant number, since it is smaller than the sum of its proper divisors (193520856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108855144 is a wasteful number, since it uses less digits than its factorization.
108855144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503974 (or 503964 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 36.
The square root of 108855144 is about 10433.3668583061. The cubic root of 108855144 is about 477.4739168706.
The spelling of 108855144 in words is "one hundred eight million, eight hundred fifty-five thousand, one hundred forty-four".
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