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20169010 = 256730103
BaseRepresentation
bin100110011110…
…0000100110010
31101221200200101
41030330010302
520130402020
62000143014
7333301531
oct114740462
941850611
1020169010
1110426304
126907a6a
134242334
142970318
151b8600a
hex133c132

20169010 has 16 divisors (see below), whose sum is σ = 36847296. Its totient is φ = 7946928.

The previous prime is 20168989. The next prime is 20169029. The reversal of 20169010 is 1096102.

It is an unprimeable number.

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, 14382 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (2302956).

Almost surely, 220169010 is an apocalyptic number.

20169010 is a deficient number, since it is larger than the sum of its proper divisors (16678286).

20169010 is a wasteful number, since it uses less digits than its factorization.

20169010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30177.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 20169010 is about 4490.9920952948. The cubic root of 20169010 is about 272.2042241483.

It can be divided in two parts, 2016 and 9010, that added together give a triangular number (11026 = T148).

The spelling of 20169010 in words is "twenty million, one hundred sixty-nine thousand, ten".

Divisors: 1 2 5 10 67 134 335 670 30103 60206 150515 301030 2016901 4033802 10084505 20169010