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683010709 = 1720339703
BaseRepresentation
bin101000101101011…
…110101010010101
31202121012112112221
4220231132222111
52344322320314
6151435142341
722632331603
oct5055365225
91677175487
10683010709
113205a6067
121708a49b1
13ab671464
14669d4873
153ee68824
hex28b5ea95

683010709 has 4 divisors (see below), whose sum is σ = 683067616. Its totient is φ = 682953804.

The previous prime is 683010707. The next prime is 683010719. The reversal of 683010709 is 907010386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 683010709 - 21 = 683010707 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 (683010701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649 + ... + 37054.

It is an arithmetic number, because the mean of its divisors is an integer number (170766904).

Almost surely, 2683010709 is an apocalyptic number.

It is an amenable number.

683010709 is a deficient number, since it is larger than the sum of its proper divisors (56907).

683010709 is a wasteful number, since it uses less digits than its factorization.

683010709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56906.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 683010709 is about 26134.4735741893. The cubic root of 683010709 is about 880.6618252224.

The spelling of 683010709 in words is "six hundred eighty-three million, ten thousand, seven hundred nine".

Divisors: 1 17203 39703 683010709