Base | Representation |
---|---|
bin | 100110100001… |
… | …1101111000100 |
3 | 1102000021201112 |
4 | 1031003233010 |
5 | 20132403023 |
6 | 2000544152 |
7 | 333462155 |
oct | 115035704 |
9 | 42007645 |
10 | 20200388 |
11 | 1044793a |
12 | 6922058 |
13 | 42536c0 |
14 | 297b92c |
15 | 1b90478 |
hex | 1343bc4 |
20200388 has 24 divisors (see below), whose sum is σ = 38196480. Its totient is φ = 9292320.
The previous prime is 20200387. The next prime is 20200393. The reversal of 20200388 is 88300202.
It is not an unprimeable number, because it can be changed into a prime (20200387) 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, 24503 + ... + 25313.
It is an arithmetic number, because the mean of its divisors is an integer number (1591520).
Almost surely, 220200388 is an apocalyptic number.
It is an amenable number.
20200388 is a deficient number, since it is larger than the sum of its proper divisors (17996092).
20200388 is a wasteful number, since it uses less digits than its factorization.
20200388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 20200388 is about 4494.4841750750. The cubic root of 20200388 is about 272.3453118636.
The spelling of 20200388 in words is "twenty million, two hundred thousand, three hundred eighty-eight".
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