Base | Representation |
---|---|
bin | 111111111101… |
… | …111101110000 |
3 | 1011112221120122 |
4 | 333331331300 |
5 | 13243101010 |
6 | 1355225412 |
7 | 262350602 |
oct | 77757560 |
9 | 34487518 |
10 | 16768880 |
11 | 9513787 |
12 | 5748268 |
13 | 362181b |
14 | 2327172 |
15 | 1713855 |
hex | ffdf70 |
16768880 has 40 divisors (see below), whose sum is σ = 39184992. Its totient is φ = 6673664.
The previous prime is 16768867. The next prime is 16768891. The reversal of 16768880 is 8886761.
It is a tau number, because it is divible by the number of its divisors (40).
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, 20642 + ... + 21438.
Almost surely, 216768880 is an apocalyptic number.
16768880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16768880 is an abundant number, since it is smaller than the sum of its proper divisors (22416112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16768880 is a wasteful number, since it uses less digits than its factorization.
16768880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1073 (or 1067 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 44.
The square root of 16768880 is about 4094.9822954440. The cubic root of 16768880 is about 255.9575938873.
The spelling of 16768880 in words is "sixteen million, seven hundred sixty-eight thousand, eight hundred eighty".
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