Base | Representation |
---|---|
bin | 1100111011010… |
… | …00110101010000 |
3 | 21120000221201200 |
4 | 12131220311100 |
5 | 210224321340 |
6 | 14432031200 |
7 | 2454443244 |
oct | 635506520 |
9 | 246027650 |
10 | 108432720 |
11 | 56231120 |
12 | 30392500 |
13 | 19606b96 |
14 | 10588424 |
15 | 97bd330 |
hex | 6768d50 |
108432720 has 120 divisors (see below), whose sum is σ = 397287072. Its totient is φ = 26284800.
The previous prime is 108432683. The next prime is 108432739. The reversal of 108432720 is 27234801.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 1075 + ... + 14765.
Almost surely, 2108432720 is an apocalyptic number.
108432720 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 108432720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198643536).
108432720 is an abundant number, since it is smaller than the sum of its proper divisors (288854352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108432720 is a wasteful number, since it uses less digits than its factorization.
108432720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13721 (or 13712 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 108432720 is about 10413.1032838439. The cubic root of 108432720 is about 476.8554867261.
The spelling of 108432720 in words is "one hundred eight million, four hundred thirty-two thousand, seven hundred twenty".
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