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682193357 = 1740129021
BaseRepresentation
bin101000101010010…
…111000111001101
31202112200000100122
4220222113013031
52344120141412
6151405434325
722622355626
oct5052270715
91675600318
10682193357
11320097a6a
1217056b9a5
13ab446411
1466860a4d
153ed56572
hex28a971cd

682193357 has 4 divisors (see below), whose sum is σ = 722322396. Its totient is φ = 642064320.

The previous prime is 682193353. The next prime is 682193359. The reversal of 682193357 is 753391286.

682193357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206037316 + 476156041 = 14354^2 + 21821^2 .

It is a cyclic number.

It is not a de Polignac number, because 682193357 - 22 = 682193353 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 (682193353) 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, 20064494 + ... + 20064527.

It is an arithmetic number, because the mean of its divisors is an integer number (180580599).

Almost surely, 2682193357 is an apocalyptic number.

It is an amenable number.

682193357 is a deficient number, since it is larger than the sum of its proper divisors (40129039).

682193357 is a wasteful number, since it uses less digits than its factorization.

682193357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40129038.

The product of its digits is 272160, while the sum is 44.

The square root of 682193357 is about 26118.8314631417. The cubic root of 682193357 is about 880.3103919697.

The spelling of 682193357 in words is "six hundred eighty-two million, one hundred ninety-three thousand, three hundred fifty-seven".

Divisors: 1 17 40129021 682193357