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686786341 = 3752335491
BaseRepresentation
bin101000111011111…
…000011100100101
31202212022100202011
4220323320130211
52401304130331
6152052114221
723006405353
oct5073703445
91685270664
10686786341
1132274481a
12172005971
13ac393b67
14672d87d3
15404623b1
hex28ef8725

686786341 has 8 divisors (see below), whose sum is σ = 706716704. Its totient is φ = 666928080.

The previous prime is 686786339. The next prime is 686786363. The reversal of 686786341 is 143687686.

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 686786341 - 21 = 686786339 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 (686786311) 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, 1606 + ... + 37096.

It is an arithmetic number, because the mean of its divisors is an integer number (88339588).

Almost surely, 2686786341 is an apocalyptic number.

It is an amenable number.

686786341 is a deficient number, since it is larger than the sum of its proper divisors (19930363).

686786341 is a wasteful number, since it uses less digits than its factorization.

686786341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36051.

The product of its digits is 1161216, while the sum is 49.

The square root of 686786341 is about 26206.6087275710. The cubic root of 686786341 is about 882.2815884204.

The spelling of 686786341 in words is "six hundred eighty-six million, seven hundred eighty-six thousand, three hundred forty-one".

Divisors: 1 37 523 19351 35491 1313167 18561793 686786341