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20108034 = 233372371
BaseRepresentation
bin100110010110…
…1001100000010
31101211121001000
41030231030002
520121424114
61554552430
7332626002
oct114551402
941747030
1020108034
1110394511
126898716
13422065b
142956002
151b72e09
hex132d302

20108034 has 16 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 6702660.

The previous prime is 20108029. The next prime is 20108051. The reversal of 20108034 is 43080102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20107998 and 20108016.

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, 186132 + ... + 186239.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 220108034 is an apocalyptic number.

20108034 is an abundant number, since it is smaller than the sum of its proper divisors (24576606).

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

20108034 is a wasteful number, since it uses less digits than its factorization.

20108034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372382 (or 372376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20108034 is about 4484.1982560989. The cubic root of 20108034 is about 271.9296332538.

Adding to 20108034 its reverse (43080102), we get a palindrome (63188136).

The spelling of 20108034 in words is "twenty million, one hundred eight thousand, thirty-four".

Divisors: 1 2 3 6 9 18 27 54 372371 744742 1117113 2234226 3351339 6702678 10054017 20108034