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20135026 = 216096257
BaseRepresentation
bin100110011001…
…1110001110010
31101212222001201
41030303301302
520123310101
61555321414
7333100462
oct114636162
941788051
1020135026
111040281a
1268b026a
13422ca22
142961ba2
151b7ae01
hex1333c72

20135026 has 8 divisors (see below), whose sum is σ = 30226140. Its totient is φ = 10059648.

The previous prime is 20135009. The next prime is 20135039. The reversal of 20135026 is 62053102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 7568001 = 3545^2 + 2751^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20134994 and 20135012.

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 3 ways as a sum of consecutive naturals, for example, 90 + ... + 6346.

Almost surely, 220135026 is an apocalyptic number.

20135026 is a deficient number, since it is larger than the sum of its proper divisors (10091114).

20135026 is a wasteful number, since it uses less digits than its factorization.

20135026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20135026 is about 4487.2069263630. The cubic root of 20135026 is about 272.0512536777.

Adding to 20135026 its reverse (62053102), we get a palindrome (82188128).

The spelling of 20135026 in words is "twenty million, one hundred thirty-five thousand, twenty-six".

Divisors: 1 2 1609 3218 6257 12514 10067513 20135026