Base | Representation |
---|---|
bin | 100111110100… |
… | …0110011001000 |
3 | 1110021122011021 |
4 | 1033220303020 |
5 | 20321021423 |
6 | 2023242224 |
7 | 342306253 |
oct | 117506310 |
9 | 43248137 |
10 | 20876488 |
11 | 108698a6 |
12 | 6ba9374 |
13 | 442c369 |
14 | 2ab609a |
15 | 1c7595d |
hex | 13e8cc8 |
20876488 has 24 divisors (see below), whose sum is σ = 39938850. Its totient is φ = 10230272.
The previous prime is 20876483. The next prime is 20876489. The reversal of 20876488 is 88467802.
It can be written as a sum of positive squares in 3 ways, for example, as 16305444 + 4571044 = 4038^2 + 2138^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20876483) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22008 + ... + 22936.
Almost surely, 220876488 is an apocalyptic number.
It is an amenable number.
20876488 is a deficient number, since it is larger than the sum of its proper divisors (19062362).
20876488 is an equidigital number, since it uses as much as digits as its factorization.
20876488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1041 (or 984 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 43.
The square root of 20876488 is about 4569.0795571975. The cubic root of 20876488 is about 275.3504644674.
The spelling of 20876488 in words is "twenty million, eight hundred seventy-six thousand, four hundred eighty-eight".
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