Base | Representation |
---|---|
bin | 100111110100… |
… | …0110000001010 |
3 | 1110021121220020 |
4 | 1033220300022 |
5 | 20321020143 |
6 | 2023241310 |
7 | 342305562 |
oct | 117506012 |
9 | 43247806 |
10 | 20876298 |
11 | 10869743 |
12 | 6ba9236 |
13 | 442c251 |
14 | 2ab5da2 |
15 | 1c75883 |
hex | 13e8c0a |
20876298 has 32 divisors (see below), whose sum is σ = 43206912. Its totient is φ = 6720000.
The previous prime is 20876293. The next prime is 20876309. The reversal of 20876298 is 89267802.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20876293) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 27423 + ... + 28173.
It is an arithmetic number, because the mean of its divisors is an integer number (1350216).
Almost surely, 220876298 is an apocalyptic number.
20876298 is an abundant number, since it is smaller than the sum of its proper divisors (22330614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20876298 is a wasteful number, since it uses less digits than its factorization.
20876298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 910.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 20876298 is about 4569.0587652163. The cubic root of 20876298 is about 275.3496291298.
It can be divided in two parts, 2087 and 6298, that added together give a triangular number (8385 = T129).
The spelling of 20876298 in words is "twenty million, eight hundred seventy-six thousand, two hundred ninety-eight".
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