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545668705 = 5377928879
BaseRepresentation
bin100000100001100…
…011111001100001
31102000202211202001
4200201203321201
52104142344310
6130051324001
716344051601
oct4041437141
91360684661
10545668705
11260019a7a
121328b0601
1389084bba
1452682c01
1532d8993a
hex20863e61

545668705 has 8 divisors (see below), whose sum is σ = 654998400. Its totient is φ = 436404336.

The previous prime is 545668691. The next prime is 545668709. The reversal of 545668705 is 507866545.

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 545668705 - 219 = 545144417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545668709) 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, 4456 + ... + 33334.

It is an arithmetic number, because the mean of its divisors is an integer number (81874800).

Almost surely, 2545668705 is an apocalyptic number.

It is an amenable number.

545668705 is a deficient number, since it is larger than the sum of its proper divisors (109329695).

545668705 is a wasteful number, since it uses less digits than its factorization.

545668705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32663.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 545668705 is about 23359.5527568487. The cubic root of 545668705 is about 817.1648593364.

The spelling of 545668705 in words is "five hundred forty-five million, six hundred sixty-eight thousand, seven hundred five".

Divisors: 1 5 3779 18895 28879 144395 109133741 545668705