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20035017 = 3213716249
BaseRepresentation
bin100110001101…
…1010111001001
31101200212212200
41030123113021
520112110032
61553230413
7332203062
oct114332711
941625780
1020035017
1110344672
126862409
1341c6352
142937569
151b5b47c
hex131b5c9

20035017 has 12 divisors (see below), whose sum is σ = 29152500. Its totient is φ = 13258368.

The previous prime is 20034997. The next prime is 20035031. The reversal of 20035017 is 71053002.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 8173881 = 3444^2 + 2859^2 .

It is not a de Polignac number, because 20035017 - 220 = 18986441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20035117) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6892 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (2429375).

Almost surely, 220035017 is an apocalyptic number.

It is an amenable number.

20035017 is a deficient number, since it is larger than the sum of its proper divisors (9117483).

20035017 is a wasteful number, since it uses less digits than its factorization.

20035017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16392 (or 16389 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20035017 is about 4476.0492624635. The cubic root of 20035017 is about 271.6000872301.

Adding to 20035017 its reverse (71053002), we get a palindrome (91088019).

The spelling of 20035017 in words is "twenty million, thirty-five thousand, seventeen".

Divisors: 1 3 9 137 411 1233 16249 48747 146241 2226113 6678339 20035017