Base | Representation |
---|---|
bin | 100011110011… |
… | …1110000001101 |
3 | 1022022212112100 |
4 | 1013213300031 |
5 | 14301300203 |
6 | 1510225313 |
7 | 315404523 |
oct | 107476015 |
9 | 38285470 |
10 | 18775053 |
11 | a663a80 |
12 | 6355239 |
13 | 3b749cb |
14 | 26ca313 |
15 | 19acea3 |
hex | 11e7c0d |
18775053 has 24 divisors (see below), whose sum is σ = 29764800. Its totient is φ = 11309760.
The previous prime is 18775049. The next prime is 18775067. The reversal of 18775053 is 35057781.
It is not a de Polignac number, because 18775053 - 22 = 18775049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18774999 and 18775017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18775033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19225 + ... + 20177.
It is an arithmetic number, because the mean of its divisors is an integer number (1240200).
Almost surely, 218775053 is an apocalyptic number.
It is an amenable number.
18775053 is a deficient number, since it is larger than the sum of its proper divisors (10989747).
18775053 is a wasteful number, since it uses less digits than its factorization.
18775053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1169 (or 1166 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 36.
The square root of 18775053 is about 4333.0189244913. The cubic root of 18775053 is about 265.7829131245.
The spelling of 18775053 in words is "eighteen million, seven hundred seventy-five thousand, fifty-three".
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