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677480768 = 2653199729
BaseRepresentation
bin101000011000011…
…000100101000000
31202012210120220022
4220120120211000
52341413341033
6151120433012
722534330406
oct5030304500
91665716808
10677480768
11318469368
1216aa78768
13aa4863c3
1465d95476
153e725098
hex28618940

677480768 has 28 divisors (see below), whose sum is σ = 1369748340. Its totient is φ = 332347392.

The previous prime is 677480743. The next prime is 677480773. The reversal of 677480768 is 867084776.

It can be written as a sum of positive squares in 2 ways, for example, as 298321984 + 379158784 = 17272^2 + 19472^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96473 + ... + 103256.

Almost surely, 2677480768 is an apocalyptic number.

It is an amenable number.

677480768 is an abundant number, since it is smaller than the sum of its proper divisors (692267572).

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

677480768 is a wasteful number, since it uses less digits than its factorization.

677480768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199794 (or 199784 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 53.

The square root of 677480768 is about 26028.4607305157. The cubic root of 677480768 is about 878.2786461020.

The spelling of 677480768 in words is "six hundred seventy-seven million, four hundred eighty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1696 3392 199729 399458 798916 1597832 3195664 6391328 10585637 12782656 21171274 42342548 84685096 169370192 338740384 677480768