Base | Representation |
---|---|
bin | 100111111110… |
… | …1101110111001 |
3 | 1110102222210000 |
4 | 1033331232321 |
5 | 20331242413 |
6 | 2025143213 |
7 | 343114245 |
oct | 117755671 |
9 | 43388700 |
10 | 20962233 |
11 | 10918266 |
12 | 702ab09 |
13 | 445c3b6 |
14 | 2ad9425 |
15 | 1c91073 |
hex | 13fdbb9 |
20962233 has 20 divisors (see below), whose sum is σ = 31559220. Its totient is φ = 13865472.
The previous prime is 20962219. The next prime is 20962243. The reversal of 20962233 is 33226902.
20962233 is a `hidden beast` number, since 2 + 0 + 9 + 622 + 33 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 9753129 = 3348^2 + 3123^2 .
It is not a de Polignac number, because 20962233 - 213 = 20954041 is a prime.
It is a super-3 number, since 3×209622333 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 20962197 and 20962206.
It is not an unprimeable number, because it can be changed into a prime (20962243) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10153 + ... + 12041.
It is an arithmetic number, because the mean of its divisors is an integer number (1577961).
Almost surely, 220962233 is an apocalyptic number.
It is an amenable number.
20962233 is a deficient number, since it is larger than the sum of its proper divisors (10596987).
20962233 is a wasteful number, since it uses less digits than its factorization.
20962233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2038 (or 2029 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 20962233 is about 4578.4531230537. The cubic root of 20962233 is about 275.7269274555.
The spelling of 20962233 in words is "twenty million, nine hundred sixty-two thousand, two hundred thirty-three".
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