Base | Representation |
---|---|
bin | 100011110000… |
… | …1011010001100 |
3 | 1022021112212221 |
4 | 1013201122030 |
5 | 14244432233 |
6 | 1505505124 |
7 | 315236002 |
oct | 107413214 |
9 | 38245787 |
10 | 18749068 |
11 | a6464a8 |
12 | 63421a4 |
13 | 3b65c30 |
14 | 26c0a72 |
15 | 19a542d |
hex | 11e168c |
18749068 has 24 divisors (see below), whose sum is σ = 36006768. Its totient is φ = 8488896.
The previous prime is 18749057. The next prime is 18749123. The reversal of 18749068 is 86094781.
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, 646 + ... + 6157.
It is an arithmetic number, because the mean of its divisors is an integer number (1500282).
Almost surely, 218749068 is an apocalyptic number.
It is an amenable number.
18749068 is a deficient number, since it is larger than the sum of its proper divisors (17257700).
18749068 is a wasteful number, since it uses less digits than its factorization.
18749068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6873 (or 6871 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 18749068 is about 4330.0193994946. The cubic root of 18749068 is about 265.6602404548.
The spelling of 18749068 in words is "eighteen million, seven hundred forty-nine thousand, sixty-eight".
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