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2920189206 = 231144245291
BaseRepresentation
bin1010111000001110…
…1000110100010110
321112111211222111210
42232003220310112
521440032023311
61201433442250
7132236125104
oct25603506426
97474758453
102920189206
111269409410
12695b70386
13376cbc30c
141d9b8cc74
1512157b3a6
hexae0e8d16

2920189206 has 16 divisors (see below), whose sum is σ = 6371322048. Its totient is φ = 884905800.

The previous prime is 2920189201. The next prime is 2920189213. The reversal of 2920189206 is 6029810292.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920189201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22122580 + ... + 22122711.

It is an arithmetic number, because the mean of its divisors is an integer number (398207628).

Almost surely, 22920189206 is an apocalyptic number.

2920189206 is an abundant number, since it is smaller than the sum of its proper divisors (3451132842).

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

2920189206 is a wasteful number, since it uses less digits than its factorization.

2920189206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44245307.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2920189206 is about 54038.7750231258. The cubic root of 2920189206 is about 1429.3447706448.

Adding to 2920189206 its reverse (6029810292), we get a palindrome (8949999498).

The spelling of 2920189206 in words is "two billion, nine hundred twenty million, one hundred eighty-nine thousand, two hundred six".

Divisors: 1 2 3 6 11 22 33 66 44245291 88490582 132735873 265471746 486698201 973396402 1460094603 2920189206