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680326 = 23110973
BaseRepresentation
bin10100110000110000110
31021120020021
42212012012
5133232301
622325354
75532313
oct2460606
91246207
10680326
11425159
1228985a
131aa87a
14139d0a
15d68a1
hexa6186

680326 has 8 divisors (see below), whose sum is σ = 1053504. Its totient is φ = 329160.

The previous prime is 680321. The next prime is 680327. The reversal of 680326 is 623086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×6803263 = 944653332113057928, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 680326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680321) by changing a digit.

680326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (131688).

2680326 is an apocalyptic number.

680326 is a deficient number, since it is larger than the sum of its proper divisors (373178).

680326 is a wasteful number, since it uses less digits than its factorization.

680326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 680326 is about 824.8187679727. The cubic root of 680326 is about 87.9506438106.

The spelling of 680326 in words is "six hundred eighty thousand, three hundred twenty-six".

Divisors: 1 2 31 62 10973 21946 340163 680326