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20833834 = 271488131
BaseRepresentation
bin100111101111…
…0011000101010
31110012110122111
41033132120222
520313140314
62022312534
7342041020
oct117363052
943173574
1020833834
111083a84a
126b8874a
134415b18
142aa4710
151c67ec4
hex13de62a

20833834 has 8 divisors (see below), whose sum is σ = 35715168. Its totient is φ = 8928780.

The previous prime is 20833811. The next prime is 20833859. The reversal of 20833834 is 43833802.

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

It is a junction number, because it is equal to n+sod(n) for n = 20833796 and 20833805.

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, 744052 + ... + 744079.

It is an arithmetic number, because the mean of its divisors is an integer number (4464396).

Almost surely, 220833834 is an apocalyptic number.

20833834 is a deficient number, since it is larger than the sum of its proper divisors (14881334).

20833834 is a wasteful number, since it uses less digits than its factorization.

20833834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488140.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 20833834 is about 4564.4094908323. The cubic root of 20833834 is about 275.1628082768.

The spelling of 20833834 in words is "twenty million, eight hundred thirty-three thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 1488131 2976262 10416917 20833834