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20268794 = 2713176551
BaseRepresentation
bin100110101010…
…0011011111010
31102010202120002
41031110123322
520142100134
62002233002
7334165460
oct115243372
942122502
1020268794
1110494277
126955762
134278890
142998830
151ba587e
hex13546fa

20268794 has 32 divisors (see below), whose sum is σ = 39626496. Its totient is φ = 7545600.

The previous prime is 20268791. The next prime is 20268799. The reversal of 20268794 is 49786202.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20268791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 220268794 is an apocalyptic number.

20268794 is a deficient number, since it is larger than the sum of its proper divisors (19357702).

20268794 is a wasteful number, since it uses less digits than its factorization.

20268794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20268794 is about 4502.0877379278. The cubic root of 20268794 is about 272.6523862204.

The spelling of 20268794 in words is "twenty million, two hundred sixty-eight thousand, seven hundred ninety-four".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 3094 6551 13102 45857 85163 91714 111367 170326 222734 596141 779569 1192282 1447771 1559138 2895542 10134397 20268794