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680324 = 22170081
BaseRepresentation
bin10100110000110000100
31021120020012
42212012010
5133232244
622325352
75532311
oct2460604
91246205
10680324
11425157
12289858
131aa878
14139d08
15d689e
hexa6184

680324 has 6 divisors (see below), whose sum is σ = 1190574. Its totient is φ = 340160.

The previous prime is 680321. The next prime is 680327. The reversal of 680324 is 423086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680321) and next prime (680327).

It can be written as a sum of positive squares in only one way, i.e., 399424 + 280900 = 632^2 + 530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 680324.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85037 + ... + 85044.

It is an arithmetic number, because the mean of its divisors is an integer number (198429).

2680324 is an apocalyptic number.

It is an amenable number.

680324 is a deficient number, since it is larger than the sum of its proper divisors (510250).

680324 is a wasteful number, since it uses less digits than its factorization.

680324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170085 (or 170083 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 680324 is about 824.8175555843. The cubic root of 680324 is about 87.9505576257.

The spelling of 680324 in words is "six hundred eighty thousand, three hundred twenty-four".

Divisors: 1 2 4 170081 340162 680324