Base | Representation |
---|---|
bin | 100111000110… |
… | …0011111101010 |
3 | 1102120102112101 |
4 | 1032030133222 |
5 | 20221422120 |
6 | 2011204014 |
7 | 336143062 |
oct | 116143752 |
9 | 42512471 |
10 | 20498410 |
11 | 10630839 |
12 | 6a4660a |
13 | 432924a |
14 | 2a183a2 |
15 | 1bed90a |
hex | 138c7ea |
20498410 has 16 divisors (see below), whose sum is σ = 37418112. Its totient is φ = 8083600.
The previous prime is 20498371. The next prime is 20498419. The reversal of 20498410 is 1489402.
It is not an unprimeable number, because it can be changed into a prime (20498419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13726 + ... + 15145.
It is an arithmetic number, because the mean of its divisors is an integer number (2338632).
Almost surely, 220498410 is an apocalyptic number.
20498410 is a deficient number, since it is larger than the sum of its proper divisors (16919702).
20498410 is a wasteful number, since it uses less digits than its factorization.
20498410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28949.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 20498410 is about 4527.5169795375. The cubic root of 20498410 is about 273.6781077937.
The spelling of 20498410 in words is "twenty million, four hundred ninety-eight thousand, four hundred ten".
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