Base | Representation |
---|---|
bin | 1101000010111… |
… | …10110011010010 |
3 | 21121221010202010 |
4 | 12201132303102 |
5 | 211004041320 |
6 | 14505403350 |
7 | 2466140445 |
oct | 641366322 |
9 | 247833663 |
10 | 109440210 |
11 | 5685a060 |
12 | 30799556 |
13 | 1989a629 |
14 | 1076b65c |
15 | 991bae0 |
hex | 685ecd2 |
109440210 has 64 divisors (see below), whose sum is σ = 299013120. Its totient is φ = 25375680.
The previous prime is 109440179. The next prime is 109440211. The reversal of 109440210 is 12044901.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (109440211) 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, 381 + ... + 14799.
It is an arithmetic number, because the mean of its divisors is an integer number (4672080).
Almost surely, 2109440210 is an apocalyptic number.
109440210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 109440210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149506560).
109440210 is an abundant number, since it is smaller than the sum of its proper divisors (189572910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109440210 is a wasteful number, since it uses less digits than its factorization.
109440210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14463.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 109440210 is about 10461.3675014312. The cubic root of 109440210 is about 478.3278185197.
The spelling of 109440210 in words is "one hundred nine million, four hundred forty thousand, two hundred ten".
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