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20294834 = 2713910429
BaseRepresentation
bin100110101101…
…0110010110010
31102012002021112
41031122302302
520143413314
62002553322
7334334420
oct115326262
942162245
1020294834
111050189a
126968842
1342876a1
1429a4110
151bad43e
hex135acb2

20294834 has 16 divisors (see below), whose sum is σ = 35044800. Its totient is φ = 8634384.

The previous prime is 20294789. The next prime is 20294861. The reversal of 20294834 is 43849202.

It is a self number, because there is not a number n which added to its sum of digits gives 20294834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 7160.

It is an arithmetic number, because the mean of its divisors is an integer number (2190300).

Almost surely, 220294834 is an apocalyptic number.

20294834 is a deficient number, since it is larger than the sum of its proper divisors (14749966).

20294834 is a wasteful number, since it uses less digits than its factorization.

20294834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 20294834 is about 4504.9788012820. The cubic root of 20294834 is about 272.7690981443.

The spelling of 20294834 in words is "twenty million, two hundred ninety-four thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 139 278 973 1946 10429 20858 73003 146006 1449631 2899262 10147417 20294834