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20796266 = 241253613
BaseRepresentation
bin100111101010…
…1001101101010
31110010120010002
41033111031222
520310440031
62021423002
7341523341
oct117251552
943116102
1020796266
11108145a7
126b6aa62
1344019aa
142a94b58
151c5bccb
hex13d536a

20796266 has 8 divisors (see below), whose sum is σ = 31955364. Its totient is φ = 10144480.

The previous prime is 20796247. The next prime is 20796283. The reversal of 20796266 is 66269702.

It can be written as a sum of positive squares in 2 ways, for example, as 15437041 + 5359225 = 3929^2 + 2315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126725 + ... + 126888.

Almost surely, 220796266 is an apocalyptic number.

20796266 is a deficient number, since it is larger than the sum of its proper divisors (11159098).

20796266 is a wasteful number, since it uses less digits than its factorization.

20796266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253656.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 20796266 is about 4560.2923151921. The cubic root of 20796266 is about 274.9973156763.

The spelling of 20796266 in words is "twenty million, seven hundred ninety-six thousand, two hundred sixty-six".

Divisors: 1 2 41 82 253613 507226 10398133 20796266