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20834295 = 351388953
BaseRepresentation
bin100111101111…
…0011111110111
31110012111021120
41033132133313
520313144140
62022315023
7342042246
oct117363767
943174246
1020834295
1110840129
126b88a73
1344160b1
142aa495d
151c681d0
hex13de7f7

20834295 has 8 divisors (see below), whose sum is σ = 33334896. Its totient is φ = 11111616.

The previous prime is 20834249. The next prime is 20834321. The reversal of 20834295 is 59243802.

It is a happy number.

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

It is not a de Polignac number, because 20834295 - 27 = 20834167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694462 + ... + 694491.

It is an arithmetic number, because the mean of its divisors is an integer number (4166862).

Almost surely, 220834295 is an apocalyptic number.

20834295 is a deficient number, since it is larger than the sum of its proper divisors (12500601).

20834295 is a wasteful number, since it uses less digits than its factorization.

20834295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388961.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 20834295 is about 4564.4599899660. The cubic root of 20834295 is about 275.1648378139.

The spelling of 20834295 in words is "twenty million, eight hundred thirty-four thousand, two hundred ninety-five".

Divisors: 1 3 5 15 1388953 4166859 6944765 20834295