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20161036 = 2273123227
BaseRepresentation
bin100110011101…
…0001000001100
31101221021202001
41030322020030
520130123121
62000042044
7333236350
oct114721014
941837661
1020161036
1110420315
126903324
13423b80c
14296b460
151b83991
hex133a20c

20161036 has 24 divisors (see below), whose sum is σ = 41624576. Its totient is φ = 8361360.

The previous prime is 20161027. The next prime is 20161079. The reversal of 20161036 is 63016102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10746 + ... + 12481.

Almost surely, 220161036 is an apocalyptic number.

It is an amenable number.

20161036 is an abundant number, since it is smaller than the sum of its proper divisors (21463540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20161036 is a wasteful number, since it uses less digits than its factorization.

20161036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23269 (or 23267 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20161036 is about 4490.1042304160. The cubic root of 20161036 is about 272.1683466214.

Adding to 20161036 its reverse (63016102), we get a palindrome (83177138).

The spelling of 20161036 in words is "twenty million, one hundred sixty-one thousand, thirty-six".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 23227 46454 92908 162589 325178 650356 720037 1440074 2880148 5040259 10080518 20161036