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680329 = 1359887
BaseRepresentation
bin10100110000110001001
31021120020101
42212012021
5133232304
622325401
75532316
oct2460611
91246211
10680329
11425161
12289861
131aa880
14139d0d
15d68a4
hexa6189

680329 has 8 divisors (see below), whose sum is σ = 745920. Its totient is φ = 616656.

The previous prime is 680327. The next prime is 680341. The reversal of 680329 is 923086.

680329 = T317 + T318 + ... + T329.

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 680329 - 21 = 680327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680297 and 680306.

It is not an unprimeable number, because it can be changed into a prime (680321) 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, 324 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2680329 is an apocalyptic number.

It is an amenable number.

680329 is a deficient number, since it is larger than the sum of its proper divisors (65591).

680329 is a wasteful number, since it uses less digits than its factorization.

680329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 680329 is about 824.8205865520. The cubic root of 680329 is about 87.9507730876.

The spelling of 680329 in words is "six hundred eighty thousand, three hundred twenty-nine".

Divisors: 1 13 59 767 887 11531 52333 680329