Base | Representation |
---|---|
bin | 100011110111… |
… | …1100010111000 |
3 | 1022101111022101 |
4 | 1013233202320 |
5 | 14303310333 |
6 | 1511033144 |
7 | 315566545 |
oct | 107574270 |
9 | 38344271 |
10 | 18806968 |
11 | a685a54 |
12 | 636b7b4 |
13 | 3b863ab |
14 | 26d7bcc |
15 | 19b767d |
hex | 11ef8b8 |
18806968 has 16 divisors (see below), whose sum is σ = 35311680. Its totient is φ = 9390528.
The previous prime is 18806951. The next prime is 18807001. The reversal of 18806968 is 86960881.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7705 + ... + 9847.
It is an arithmetic number, because the mean of its divisors is an integer number (2206980).
Almost surely, 218806968 is an apocalyptic number.
It is an amenable number.
18806968 is a deficient number, since it is larger than the sum of its proper divisors (16504712).
18806968 is a wasteful number, since it uses less digits than its factorization.
18806968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3246 (or 3242 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 46.
The square root of 18806968 is about 4336.7001279775. The cubic root of 18806968 is about 265.9334259685.
The spelling of 18806968 in words is "eighteen million, eight hundred six thousand, nine hundred sixty-eight".
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