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20799674 = 271579463
BaseRepresentation
bin100111101011…
…0000010111010
31110010201210022
41033112002322
520311042144
62021450442
7341536310
oct117260272
943121708
1020799674
1110817115
126b70a22
1344033cc
142a960b0
151c5ccee
hex13d60ba

20799674 has 16 divisors (see below), whose sum is σ = 35887488. Its totient is φ = 8856432.

The previous prime is 20799631. The next prime is 20799689. The reversal of 20799674 is 47699702.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2534 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (2242968).

Almost surely, 220799674 is an apocalyptic number.

20799674 is a deficient number, since it is larger than the sum of its proper divisors (15087814).

20799674 is a wasteful number, since it uses less digits than its factorization.

20799674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 20799674 is about 4560.6659601422. The cubic root of 20799674 is about 275.0123366366.

The spelling of 20799674 in words is "twenty million, seven hundred ninety-nine thousand, six hundred seventy-four".

Divisors: 1 2 7 14 157 314 1099 2198 9463 18926 66241 132482 1485691 2971382 10399837 20799674