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20110004 = 2223241907
BaseRepresentation
bin100110010110…
…1101010110100
31101211200201222
41030231222310
520122010004
61555005512
7332634515
oct114555264
941750658
1020110004
1110395a42
126899898
134221515
142956a0c
151b737be
hex132dab4

20110004 has 24 divisors (see below), whose sum is σ = 36915648. Its totient is φ = 9567360.

The previous prime is 20109989. The next prime is 20110043. The reversal of 20110004 is 40001102.

It is a junction number, because it is equal to n+sod(n) for n = 20109973 and 20110000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21719 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (1538152).

Almost surely, 220110004 is an apocalyptic number.

It is an amenable number.

20110004 is a deficient number, since it is larger than the sum of its proper divisors (16805644).

20110004 is a wasteful number, since it uses less digits than its factorization.

20110004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20110004 is about 4484.4179109445. The cubic root of 20110004 is about 271.9385133509.

Adding to 20110004 its reverse (40001102), we get a palindrome (60111106).

The spelling of 20110004 in words is "twenty million, one hundred ten thousand, four".

Divisors: 1 2 4 23 46 92 241 482 907 964 1814 3628 5543 11086 20861 22172 41722 83444 218587 437174 874348 5027501 10055002 20110004