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20796048 = 2433713232
BaseRepresentation
bin100111101010…
…1001010010000
31110010112211000
41033111022100
520310433143
62021422000
7341522610
oct117251220
943115730
1020796048
1110814419
126b6a900
134401870
142a94a40
151c5bbd3
hex13d5290

20796048 has 240 divisors, whose sum is σ = 76800640. Its totient is φ = 5246208.

The previous prime is 20796037. The next prime is 20796053. The reversal of 20796048 is 84069702.

It is a super-2 number, since 2×207960482 = 864951224836608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 904165 + ... + 904187.

Almost surely, 220796048 is an apocalyptic number.

20796048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20796048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38400320).

20796048 is an abundant number, since it is smaller than the sum of its proper divisors (56004592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20796048 is a wasteful number, since it uses less digits than its factorization.

20796048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20796048 is about 4560.2684131529. The cubic root of 20796048 is about 274.9963547726.

The spelling of 20796048 in words is "twenty million, seven hundred ninety-six thousand, forty-eight".