Base | Representation |
---|---|
bin | 100100001001… |
… | …1001101011000 |
3 | 1022122220200202 |
4 | 1020103031120 |
5 | 14322444143 |
6 | 1514121332 |
7 | 320045462 |
oct | 110231530 |
9 | 38586622 |
10 | 18953048 |
11 | a775784 |
12 | 6420248 |
13 | 3c07a2a |
14 | 2735132 |
15 | 19e5ab8 |
hex | 1213358 |
18953048 has 16 divisors (see below), whose sum is σ = 35988000. Its totient is φ = 9356256.
The previous prime is 18953047. The next prime is 18953083. The reversal of 18953048 is 84035981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18953041) 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, 14363 + ... + 15626.
It is an arithmetic number, because the mean of its divisors is an integer number (2249250).
Almost surely, 218953048 is an apocalyptic number.
It is an amenable number.
18953048 is a deficient number, since it is larger than the sum of its proper divisors (17034952).
18953048 is a wasteful number, since it uses less digits than its factorization.
18953048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30074 (or 30070 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 18953048 is about 4353.5098483867. The cubic root of 18953048 is about 266.6201821752.
The spelling of 18953048 in words is "eighteen million, nine hundred fifty-three thousand, forty-eight".
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