Base | Representation |
---|---|
bin | 100111010100… |
… | …1010010111000 |
3 | 1102210102100111 |
4 | 1032221102320 |
5 | 20234211001 |
6 | 2013514104 |
7 | 340144024 |
oct | 116512270 |
9 | 42712314 |
10 | 20616376 |
11 | 10701430 |
12 | 6aa2934 |
13 | 436ab51 |
14 | 2a49384 |
15 | 1c23851 |
hex | 13a94b8 |
20616376 has 32 divisors (see below), whose sum is σ = 44653680. Its totient is φ = 8819200.
The previous prime is 20616373. The next prime is 20616383. The reversal of 20616376 is 67361602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20616373) 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, 5395 + ... + 8386.
Almost surely, 220616376 is an apocalyptic number.
It is an amenable number.
20616376 is an abundant number, since it is smaller than the sum of its proper divisors (24037304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20616376 is a wasteful number, since it uses less digits than its factorization.
20616376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13815 (or 13811 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 20616376 is about 4540.5259607231. The cubic root of 20616376 is about 274.2020992855.
Adding to 20616376 its reverse (67361602), we get a palindrome (87977978).
The spelling of 20616376 in words is "twenty million, six hundred sixteen thousand, three hundred seventy-six".
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