Base | Representation |
---|---|
bin | 100111111110… |
… | …1110010001001 |
3 | 1110110000001201 |
4 | 1033331302021 |
5 | 20331244231 |
6 | 2025144201 |
7 | 343114663 |
oct | 117756211 |
9 | 43400051 |
10 | 20962441 |
11 | 10918435 |
12 | 702b061 |
13 | 445c516 |
14 | 2ad9533 |
15 | 1c91161 |
hex | 13fdc89 |
20962441 has 4 divisors (see below), whose sum is σ = 21072384. Its totient is φ = 20852500.
The previous prime is 20962433. The next prime is 20962481. The reversal of 20962441 is 14426902.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20962441 - 23 = 20962433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20962481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54685 + ... + 55066.
It is an arithmetic number, because the mean of its divisors is an integer number (5268096).
Almost surely, 220962441 is an apocalyptic number.
It is an amenable number.
20962441 is a deficient number, since it is larger than the sum of its proper divisors (109943).
20962441 is a wasteful number, since it uses less digits than its factorization.
20962441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109942.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 20962441 is about 4578.4758380928. The cubic root of 20962441 is about 275.7278394291.
The spelling of 20962441 in words is "twenty million, nine hundred sixty-two thousand, four hundred forty-one".
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