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677303761 = 9712895417
BaseRepresentation
bin101000010111101…
…101010111010001
31202012110121002111
4220113231113101
52341342210021
6151112545321
722532662351
oct5027552721
91665417074
10677303761
11318358382
1216a9b2241
13aa423974
1465d4ab61
153e6dc8e1
hex285ed5d1

677303761 has 8 divisors (see below), whose sum is σ = 684943560. Its totient is φ = 669677568.

The previous prime is 677303713. The next prime is 677303789. The reversal of 677303761 is 167303776.

It can be written as a sum of positive squares in 4 ways, for example, as 54302161 + 623001600 = 7369^2 + 24960^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677303761 - 219 = 676779473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677303161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122325 + ... + 127741.

It is an arithmetic number, because the mean of its divisors is an integer number (85617945).

Almost surely, 2677303761 is an apocalyptic number.

It is an amenable number.

677303761 is a deficient number, since it is larger than the sum of its proper divisors (7639799).

677303761 is a wasteful number, since it uses less digits than its factorization.

677303761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 677303761 is about 26025.0602496901. The cubic root of 677303761 is about 878.2021494608.

The spelling of 677303761 in words is "six hundred seventy-seven million, three hundred three thousand, seven hundred sixty-one".

Divisors: 1 97 1289 5417 125033 525449 6982513 677303761