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2782704425 = 52293838213
BaseRepresentation
bin1010010111011100…
…1011001100101001
321011221011000211212
42211313023030221
521144333020200
61140043002505
7125646411614
oct24567131451
97157130755
102782704425
1111a8845026
12657b09435
13354682a87
141c580117b
15114470035
hexa5dcb329

2782704425 has 12 divisors (see below), whose sum is σ = 3569539020. Its totient is φ = 2149398720.

The previous prime is 2782704401. The next prime is 2782704433. The reversal of 2782704425 is 5244072872.

It can be written as a sum of positive squares in 6 ways, for example, as 37258816 + 2745445609 = 6104^2 + 52397^2 .

It is not a de Polignac number, because 2782704425 - 222 = 2778510121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1918382 + ... + 1919831.

It is an arithmetic number, because the mean of its divisors is an integer number (297461585).

Almost surely, 22782704425 is an apocalyptic number.

2782704425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2782704425 is a deficient number, since it is larger than the sum of its proper divisors (786834595).

2782704425 is a wasteful number, since it uses less digits than its factorization.

2782704425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838252 (or 3838247 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 2782704425 is about 52751.3452435101. The cubic root of 2782704425 is about 1406.5516770392.

The spelling of 2782704425 in words is "two billion, seven hundred eighty-two million, seven hundred four thousand, four hundred twenty-five".

Divisors: 1 5 25 29 145 725 3838213 19191065 95955325 111308177 556540885 2782704425