Base | Representation |
---|---|
bin | 1101000011001… |
… | …10000100100110 |
3 | 21121222122121002 |
4 | 12201212010212 |
5 | 211011014430 |
6 | 14510153302 |
7 | 2466323330 |
oct | 641460446 |
9 | 247878532 |
10 | 109469990 |
11 | 5687a473 |
12 | 307b2832 |
13 | 198ab056 |
14 | 10778450 |
15 | 9925845 |
hex | 6866126 |
109469990 has 64 divisors (see below), whose sum is σ = 236556288. Its totient is φ = 35683200.
The previous prime is 109469947. The next prime is 109470007. The reversal of 109469990 is 99964901.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131957 + ... + 132783.
It is an arithmetic number, because the mean of its divisors is an integer number (3696192).
Almost surely, 2109469990 is an apocalyptic number.
109469990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109469990 is an abundant number, since it is smaller than the sum of its proper divisors (127086298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109469990 is a wasteful number, since it uses less digits than its factorization.
109469990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 933.
The product of its (nonzero) digits is 157464, while the sum is 47.
The square root of 109469990 is about 10462.7907367012. The cubic root of 109469990 is about 478.3712008396.
The spelling of 109469990 in words is "one hundred nine million, four hundred sixty-nine thousand, nine hundred ninety".
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