Base | Representation |
---|---|
bin | 1101000011011… |
… | …11010111001000 |
3 | 21122001120210100 |
4 | 12201233113020 |
5 | 211013224130 |
6 | 14511045400 |
7 | 2466542265 |
oct | 641572710 |
9 | 248046710 |
10 | 109508040 |
11 | 568a6014 |
12 | 30810860 |
13 | 198c2475 |
14 | 1078826c |
15 | 9931c60 |
hex | 686f5c8 |
109508040 has 96 divisors (see below), whose sum is σ = 357364800. Its totient is φ = 29082240.
The previous prime is 109508023. The next prime is 109508041. The reversal of 109508040 is 40805901.
It is a junction number, because it is equal to n+sod(n) for n = 109507995 and 109508013.
It is not an unprimeable number, because it can be changed into a prime (109508041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118701 + ... + 119619.
It is an arithmetic number, because the mean of its divisors is an integer number (3722550).
Almost surely, 2109508040 is an apocalyptic number.
109508040 is a gapful number since it is divisible by the number (10) 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 109508040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178682400).
109508040 is an abundant number, since it is smaller than the sum of its proper divisors (247856760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109508040 is a wasteful number, since it uses less digits than its factorization.
109508040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1267 (or 1260 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 109508040 is about 10464.6089272366. The cubic root of 109508040 is about 478.4266191196.
The spelling of 109508040 in words is "one hundred nine million, five hundred eight thousand, forty".
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