Base | Representation |
---|---|
bin | 100010010111… |
… | …0001010010110 |
3 | 1020220020202102 |
4 | 1010232022112 |
5 | 14102433440 |
6 | 1442042102 |
7 | 306060326 |
oct | 104561226 |
9 | 36806672 |
10 | 18014870 |
11 | a194925 |
12 | 6049332 |
13 | 39699b3 |
14 | 256d286 |
15 | 18acb15 |
hex | 112e296 |
18014870 has 16 divisors (see below), whose sum is σ = 32475600. Its totient is φ = 7195104.
The previous prime is 18014863. The next prime is 18014891. The reversal of 18014870 is 7841081.
It is a super-2 number, since 2×180148702 = 649071082233800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10856 + ... + 12404.
It is an arithmetic number, because the mean of its divisors is an integer number (2029725).
Almost surely, 218014870 is an apocalyptic number.
18014870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18014870 is a deficient number, since it is larger than the sum of its proper divisors (14460730).
18014870 is a wasteful number, since it uses less digits than its factorization.
18014870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2719.
The product of its (nonzero) digits is 1792, while the sum is 29.
The square root of 18014870 is about 4244.3927716459. The cubic root of 18014870 is about 262.1462870101.
The spelling of 18014870 in words is "eighteen million, fourteen thousand, eight hundred seventy".
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