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2768608449 = 32437154027
BaseRepresentation
bin1010010100000101…
…1001110011000001
321010221121212210200
42211001121303001
521132230432244
61134420515413
7125415532515
oct24501316301
97127555720
102768608449
1111a0897562
1265324bb69
13351788a69
141c39b2145
151130d8669
hexa5059cc1

2768608449 has 12 divisors (see below), whose sum is σ = 4092104016. Its totient is φ = 1802814552.

The previous prime is 2768608433. The next prime is 2768608471. The reversal of 2768608449 is 9448068672.

2768608449 is a `hidden beast` number, since 27 + 6 + 8 + 608 + 4 + 4 + 9 = 666.

It is not a de Polignac number, because 2768608449 - 24 = 2768608433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2768608395 and 2768608404.

It is not an unprimeable number, because it can be changed into a prime (2768608489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3576627 + ... + 3577400.

It is an arithmetic number, because the mean of its divisors is an integer number (341008668).

Almost surely, 22768608449 is an apocalyptic number.

It is an amenable number.

2768608449 is a deficient number, since it is larger than the sum of its proper divisors (1323495567).

2768608449 is a wasteful number, since it uses less digits than its factorization.

2768608449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154076 (or 7154073 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 2768608449 is about 52617.5678742376. The cubic root of 2768608449 is about 1404.1726615157.

The spelling of 2768608449 in words is "two billion, seven hundred sixty-eight million, six hundred eight thousand, four hundred forty-nine".

Divisors: 1 3 9 43 129 387 7154027 21462081 64386243 307623161 922869483 2768608449