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677768495 = 51710774521
BaseRepresentation
bin101000011001011…
…110110100101111
31202020100012120212
4220121132310233
52342002042440
6151130533035
722536636305
oct5031366457
91666305525
10677768495
11318645558
1216ab9717b
13aa557361
146602c275
153e780465
hex2865ed2f

677768495 has 16 divisors (see below), whose sum is σ = 869224608. Its totient is φ = 505543680.

The previous prime is 677768491. The next prime is 677768521. The reversal of 677768495 is 594867776.

It is not a de Polignac number, because 677768495 - 22 = 677768491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677768491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28166 + ... + 46355.

It is an arithmetic number, because the mean of its divisors is an integer number (54326538).

Almost surely, 2677768495 is an apocalyptic number.

677768495 is a deficient number, since it is larger than the sum of its proper divisors (191456113).

677768495 is a wasteful number, since it uses less digits than its factorization.

677768495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74650.

The product of its digits is 17781120, while the sum is 59.

The square root of 677768495 is about 26033.9873050595. The cubic root of 677768495 is about 878.4029638813.

The spelling of 677768495 in words is "six hundred seventy-seven million, seven hundred sixty-eight thousand, four hundred ninety-five".

Divisors: 1 5 17 85 107 535 1819 9095 74521 372605 1266857 6334285 7973747 39868735 135553699 677768495