Base | Representation |
---|---|
bin | 1100111111100… |
… | …01110001110000 |
3 | 21121002110011210 |
4 | 12133301301300 |
5 | 210400244043 |
6 | 14452040120 |
7 | 2462300511 |
oct | 637616160 |
9 | 247073153 |
10 | 108993648 |
11 | 565845a5 |
12 | 30603040 |
13 | 197722aa |
14 | 10692a08 |
15 | 987e633 |
hex | 67f1c70 |
108993648 has 40 divisors (see below), whose sum is σ = 288120448. Its totient is φ = 35485632.
The previous prime is 108993631. The next prime is 108993659. The reversal of 108993648 is 846399801.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 108993597 and 108993606.
It is a congruent number.
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, 24340 + ... + 28467.
Almost surely, 2108993648 is an apocalyptic number.
It is an amenable number.
108993648 is an abundant number, since it is smaller than the sum of its proper divisors (179126800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108993648 is a wasteful number, since it uses less digits than its factorization.
108993648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52861 (or 52855 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 108993648 is about 10440.0022988503. The cubic root of 108993648 is about 477.6763388436.
Subtracting from 108993648 its sum of digits (48), we obtain a square (108993600 = 104402).
The spelling of 108993648 in words is "one hundred eight million, nine hundred ninety-three thousand, six hundred forty-eight".
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