Base | Representation |
---|---|
bin | 1101000101011… |
… | …11110000110110 |
3 | 21122112222122100 |
4 | 12202233300312 |
5 | 211100144310 |
6 | 14520442530 |
7 | 2502021330 |
oct | 642576066 |
9 | 248488570 |
10 | 109771830 |
11 | 56a66223 |
12 | 30919446 |
13 | 1998555c |
14 | 10816450 |
15 | 9984ec0 |
hex | 68afc36 |
109771830 has 48 divisors (see below), whose sum is σ = 326181024. Its totient is φ = 25090560.
The previous prime is 109771817. The next prime is 109771853. The reversal of 109771830 is 38177901.
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 congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86491 + ... + 87750.
It is an arithmetic number, because the mean of its divisors is an integer number (6795438).
Almost surely, 2109771830 is an apocalyptic number.
109771830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109771830 is an abundant number, since it is smaller than the sum of its proper divisors (216409194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109771830 is a wasteful number, since it uses less digits than its factorization.
109771830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174261 (or 174258 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 36.
The square root of 109771830 is about 10477.2052571284. The cubic root of 109771830 is about 478.8104659953.
It can be divided in two parts, 1097 and 71830, that added together give a palindrome (72927).
The spelling of 109771830 in words is "one hundred nine million, seven hundred seventy-one thousand, eight hundred thirty".
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