Base | Representation |
---|---|
bin | 100011101000… |
… | …0011001001000 |
3 | 1022011000021110 |
4 | 1013100121020 |
5 | 14240214433 |
6 | 1504210320 |
7 | 314525541 |
oct | 107203110 |
9 | 38130243 |
10 | 18679368 |
11 | a5a90a4 |
12 | 63099a0 |
13 | 3b402a6 |
14 | 26a34c8 |
15 | 198e963 |
hex | 11d0648 |
18679368 has 16 divisors (see below), whose sum is σ = 46698480. Its totient is φ = 6226448.
The previous prime is 18679363. The next prime is 18679411. The reversal of 18679368 is 86397681.
It is not an unprimeable number, because it can be changed into a prime (18679363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389130 + ... + 389177.
It is an arithmetic number, because the mean of its divisors is an integer number (2918655).
Almost surely, 218679368 is an apocalyptic number.
It is an amenable number.
18679368 is an abundant number, since it is smaller than the sum of its proper divisors (28019112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18679368 is a wasteful number, since it uses less digits than its factorization.
18679368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 778316 (or 778312 counting only the distinct ones).
The product of its digits is 435456, while the sum is 48.
The square root of 18679368 is about 4321.9634426959. The cubic root of 18679368 is about 265.3306327568.
The spelling of 18679368 in words is "eighteen million, six hundred seventy-nine thousand, three hundred sixty-eight".
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