Search a number
-
+
20267193 = 38577883
BaseRepresentation
bin100110101010…
…0000010111001
31102010200100210
41031110002321
520142022233
62002221333
7334161012
oct115240271
942120323
1020267193
1110493051
126954849
134277c2b
142998009
151ba5163
hex13540b9

20267193 has 8 divisors (see below), whose sum is σ = 27057888. Its totient is φ = 13493984.

The previous prime is 20267119. The next prime is 20267197. The reversal of 20267193 is 39176202.

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

It is a cyclic number.

It is not a de Polignac number, because 20267193 - 29 = 20266681 is a prime.

It is a super-2 number, since 2×202671932 = 821518224198498, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20267193.

It is not an unprimeable number, because it can be changed into a prime (20267197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (3382236).

Almost surely, 220267193 is an apocalyptic number.

It is an amenable number.

20267193 is a deficient number, since it is larger than the sum of its proper divisors (6790695).

20267193 is an equidigital number, since it uses as much as digits as its factorization.

20267193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8743.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20267193 is about 4501.9099280194. The cubic root of 20267193 is about 272.6452072377.

The spelling of 20267193 in words is "twenty million, two hundred sixty-seven thousand, one hundred ninety-three".

Divisors: 1 3 857 2571 7883 23649 6755731 20267193