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20108370 = 235670279
BaseRepresentation
bin100110010110…
…1010001010010
31101211121111110
41030231101102
520121431440
61554554150
7332626662
oct114552122
941747443
1020108370
1110394797
126898956
134220859
1429561a2
151b73080
hex132d452

20108370 has 16 divisors (see below), whose sum is σ = 48260160. Its totient is φ = 5362224.

The previous prime is 20108357. The next prime is 20108377. The reversal of 20108370 is 7380102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20108377) 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, 335110 + ... + 335169.

It is an arithmetic number, because the mean of its divisors is an integer number (3016260).

Almost surely, 220108370 is an apocalyptic number.

20108370 is an abundant number, since it is smaller than the sum of its proper divisors (28151790).

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

20108370 is a wasteful number, since it uses less digits than its factorization.

20108370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670289.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20108370 is about 4484.2357208336. The cubic root of 20108370 is about 271.9311478697.

Adding to 20108370 its reverse (7380102), we get a palindrome (27488472).

The spelling of 20108370 in words is "twenty million, one hundred eight thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 670279 1340558 2010837 3351395 4021674 6702790 10054185 20108370