Base | Representation |
---|---|
bin | 100110100101… |
… | …0101001011111 |
3 | 1102001201120020 |
4 | 1031022221133 |
5 | 20134304303 |
6 | 2001323223 |
7 | 333640545 |
oct | 115125137 |
9 | 42051506 |
10 | 20228703 |
11 | 10467140 |
12 | 6936513 |
13 | 4263561 |
14 | 2987d95 |
15 | 1b98a53 |
hex | 134aa5f |
20228703 has 16 divisors (see below), whose sum is σ = 30143232. Its totient is φ = 11960000.
The previous prime is 20228701. The next prime is 20228713. The reversal of 20228703 is 30782202.
It is a cyclic number.
It is not a de Polignac number, because 20228703 - 21 = 20228701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20228701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6123 + ... + 8828.
It is an arithmetic number, because the mean of its divisors is an integer number (1883952).
Almost surely, 220228703 is an apocalyptic number.
20228703 is a deficient number, since it is larger than the sum of its proper divisors (9914529).
20228703 is a wasteful number, since it uses less digits than its factorization.
20228703 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15006.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 20228703 is about 4497.6330441689. The cubic root of 20228703 is about 272.4725017843.
The spelling of 20228703 in words is "twenty million, two hundred twenty-eight thousand, seven hundred three".
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