Base | Representation |
---|---|
bin | 1101000100010… |
… | …10101011011010 |
3 | 21122021021021102 |
4 | 12202022223122 |
5 | 211030314210 |
6 | 14513311402 |
7 | 2500516430 |
oct | 642125332 |
9 | 248237242 |
10 | 109619930 |
11 | 56972092 |
12 | 30865562 |
13 | 19931384 |
14 | 107b6d50 |
15 | 9954ea5 |
hex | 688aada |
109619930 has 32 divisors (see below), whose sum is σ = 237375360. Its totient is φ = 35605440.
The previous prime is 109619929. The next prime is 109619957. The reversal of 109619930 is 39916901.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39881 + ... + 42540.
It is an arithmetic number, because the mean of its divisors is an integer number (7417980).
Almost surely, 2109619930 is an apocalyptic number.
109619930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109619930 is an abundant number, since it is smaller than the sum of its proper divisors (127755430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109619930 is a wasteful number, since it uses less digits than its factorization.
109619930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82454.
The product of its (nonzero) digits is 13122, while the sum is 38.
The square root of 109619930 is about 10469.9536770704. The cubic root of 109619930 is about 478.5895080208.
The spelling of 109619930 in words is "one hundred nine million, six hundred nineteen thousand, nine hundred thirty".
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