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686376341 = 753267521
BaseRepresentation
bin101000111010010…
…100010110010101
31202211112112022222
4220322110112111
52401203020331
6152035232125
723003050130
oct5072242625
91684475288
10686376341
11322494782
12171a48645
13ac27c361
146722d217
15403d0b7b
hex28e94595

686376341 has 24 divisors (see below), whose sum is σ = 813000384. Its totient is φ = 567515520.

The previous prime is 686376269. The next prime is 686376371. The reversal of 686376341 is 143673686.

It is not a de Polignac number, because 686376341 - 218 = 686114197 is a prime.

It is a super-2 number, since 2×6863763412 = 942224962969096562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

Its product of digits (435456) is a multiple of the sum of its prime divisors (648).

It is a junction number, because it is equal to n+sod(n) for n = 686376292 and 686376301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686376371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1317161 + ... + 1317681.

It is an arithmetic number, because the mean of its divisors is an integer number (33875016).

Almost surely, 2686376341 is an apocalyptic number.

It is an amenable number.

686376341 is a deficient number, since it is larger than the sum of its proper divisors (126624043).

686376341 is an equidigital number, since it uses as much as digits as its factorization.

686376341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 648 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 686376341 is about 26198.7851054204. The cubic root of 686376341 is about 882.1059843366.

The spelling of 686376341 in words is "six hundred eighty-six million, three hundred seventy-six thousand, three hundred forty-one".

Divisors: 1 7 53 67 371 469 521 2809 3551 3647 19663 24857 27613 34907 188203 193291 244349 1317421 1463489 1850071 10244423 12950497 98053763 686376341