Base | Representation |
---|---|
bin | 1100111001110… |
… | …01110011001000 |
3 | 21112200011110120 |
4 | 12130321303020 |
5 | 210202140242 |
6 | 14423543240 |
7 | 2453011503 |
oct | 634716310 |
9 | 245604416 |
10 | 108240072 |
11 | 5610a406 |
12 | 302bab20 |
13 | 1956a2a5 |
14 | 1053813a |
15 | 97811ec |
hex | 6739cc8 |
108240072 has 32 divisors (see below), whose sum is σ = 271049280. Its totient is φ = 36020160.
The previous prime is 108240053. The next prime is 108240149. The reversal of 108240072 is 270042801.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12453 + ... + 19275.
It is an arithmetic number, because the mean of its divisors is an integer number (8470290).
Almost surely, 2108240072 is an apocalyptic number.
108240072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
108240072 is an abundant number, since it is smaller than the sum of its proper divisors (162809208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108240072 is a wasteful number, since it uses less digits than its factorization.
108240072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7493 (or 7489 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 108240072 is about 10403.8489031704. The cubic root of 108240072 is about 476.5729160715.
Adding to 108240072 its reverse (270042801), we get a palindrome (378282873).
The spelling of 108240072 in words is "one hundred eight million, two hundred forty thousand, seventy-two".
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