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2578340192 = 25611320871
BaseRepresentation
bin1001100110101110…
…0101100101100000
320122200121020211012
42121223211211200
520240023341232
61103502440052
7120615346541
oct23153454540
96580536735
102578340192
11110345116a
125bb593028
1332122b1ac
141a66044c8
151015529b2
hex99ae5960

2578340192 has 24 divisors (see below), whose sum is σ = 5159326032. Its totient is φ = 1268035200.

The previous prime is 2578340161. The next prime is 2578340197. The reversal of 2578340192 is 2910438752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578340197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658484 + ... + 662387.

It is an arithmetic number, because the mean of its divisors is an integer number (214971918).

Almost surely, 22578340192 is an apocalyptic number.

It is an amenable number.

2578340192 is an abundant number, since it is smaller than the sum of its proper divisors (2580985840).

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

2578340192 is a wasteful number, since it uses less digits than its factorization.

2578340192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320942 (or 1320934 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2578340192 is about 50777.3590490880. The cubic root of 2578340192 is about 1371.2397877212.

The spelling of 2578340192 in words is "two billion, five hundred seventy-eight million, three hundred forty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 1320871 2641742 5283484 10566968 21133936 42267872 80573131 161146262 322292524 644585048 1289170096 2578340192